How to Feed & Maintain your Sourdough Starter (2024)

By: Author Eileen Gray

Posted on Last updated:

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You’ve done it! You’ve created a living batter filled with wild yeast. Now let’s see how to feed & maintain your sourdough starter.

If you haven’t made your starter yet, visit this post to see how to make a sourdough starter from scratch.

How to Feed & Maintain your Sourdough Starter (1)

Right off the bat I’m going to say that there are a million ways to feed, maintain and use a sourdough starter. In fact, after you’re done reading this post, you should read through my instructions for How to keep a small sourdough starter to see of that method would work better for you.

I am going to outline for you how I maintain my sourdough starters. I tend to have a fairly relaxed attitude towards the process. It works for me and I think my approach can work for you if you don’t bake bread every single day (and even if you do).

At the end of the post you’ll find a how-to card that lists the ingredient amounts and steps to follow each time you feed your starter.

But first I’m going to give you all the how’s and why’s and try to answer any questions you might have.

Tips for using and maintaining your sourdough starter:

  • Since I don’t bake every day, I keep my starters (yes, I have 3) in the refrigerator.
  • If I’m making a 2-day recipe (most of mine are) I take the starter out of the refrigerator early in the morning of the day I’m making the dough. If the starter is inactive I feed it right away and it should be ready by early afternoon.
  • If I’m making a 1-day recipe, I’ll take the starter out the night before and feed it if it’s inactive. It should be ready to use first thing in the morning.
  • When the starter is cold from the refrigerator, I feed the starter using fairly warm water, warmer than body temp. The warm water will jump-start the cold starter.
  • If the starter has been fed within the last 2-3 days, and has been refrigerated, you can probably go ahead and use it without feeding.
  • If you’re not sure if the starter is active, drop a dollop into a bowl of water to see if it floats. If it does, it’s ready for baking.
  • I write all my sourdough recipes to use 8 oz of active starter. After using 8 oz of starter in the recipe, I’m left with 4 oz of starter, exactly the right amount for feeding.
How to Feed & Maintain your Sourdough Starter (2)

Schedule for feeding your sourdough starter:

  • Your starter needs to be fed about 1x per week if refrigerated, and every day if left at room temperature.
  • Generally, about 5-6 hours after feeding my starter is ready. The time may vary based on room temp, dough temp, etc. The starter should have doubled in volume and started to recede and/or pass the float test.
  • I take my starter out of the refrigerator once a week for feeding, even if I’m not baking. Although, truth be told, I often go longer than a week between feedings and I haven’t killed it yet.
  • Did you know you can dry your sourdough starter? Dried starter can be kept indefinitely.
  • After you’ve removed the portion of starter for baking, feed the starter again and leave it at room temperature for 3-4 hours before putting it back in the refrigerator.
How to Feed & Maintain your Sourdough Starter (3)

FAQs about feeding & maintaining Sourdough Starter:

What if I forget to feed my starter for several weeks?

Honestly, I’ve gone longer than a month without feeding my starter and I haven’t killed it yet. Give it a feeding and see if it wakes up. If it’s alive, keep feeding it until it is reliably doubling in size within 4-5 hours.

Can I use a neglected starter as soon as it’s been fed?

If you go more than about 2 weeks between feedings, you might want to give the starter 2-3 feedings before using. A starter that hasn’t been fed for weeks will be quite sluggish and your dough won’t be as lively.

Can I make dough with cold starter straight from the refrigerator?

If your starter was fed a day or two before, it’s possible to use the starter straight from the refrigerator. Give it a float test to make sure it’s active. The dough may take a little longer to ferment since the temperature of the dough will be colder.

What is that gray liquid on top of my starter, has it died?

It’s called “hooch” and don’t worry, your starter is still alive. Just stir that water back into the starter before feeding. Again, you might need 2 feedings to completely revive the starter since it’s been quite dormant.

Do I have to weigh the ingredients?

To maintain your starter at 100% hydration it is best and most accurate to weigh your ingredients. If you’re just a little bit off every time you feed, eventually, your starter could be thrown out of balance.

What if a recipe calls for less than 8 oz of starter?

No problem, use the amount of starter called for in the recipe. Then weigh out 4 oz of the remaining starter for feeding and discard the rest.

Do I have to discard starter?

If you continually feed the starter without discarding, you’ll end up drowning in starter.

Can I bake with the discard?

Yes, even if the discard is not active enough for baking bread, you can add it to many other recipes as a flavor and texture enhancer.

If I go on vacation, do I have to take the starter with me?

Unless you’re going away for an extended time, your starter should be just fine for a couple of weeks in the refrigerator. If you’ll be gone really long-term, put the starter into the freezer or dry it. Frozen or dried starter will need several feedings to rejuvenate.

Since you’ve got your starter fed, peruse the entire list ofMy Best Sourdough Recipes.Have fun!

If you appreciate this detailed information, I’d really appreciate a 5-star review.

How to Feed & Maintain your Sourdough Starter (4)

Print Recipe

4.93 from 197 reviews

How to Feed Sourdough Starter

Follow these steps to feed and maintain your Sourdough Starter.

Prep Time10 mins

Total Time10 mins

12 oz

Ingredients

  • 4 oz unfed sourdough starter
  • 4 oz all purpose flour
  • 4 oz water (room temperature)

Instructions

  • Weigh 4 oz of your unfed starter into a clean container. Discard the extra starter (see note)

    4 oz unfed sourdough starter

  • Add the flour and water and mix until combined. Set aside at room temperature.

    4 oz all purpose flour, 4 oz water

  • The starter is ready to use when it has doubled in volume and a small spoonful floats when dropped into a bowl of water. This generally takes 4-5 hours but the time can vary based on dough temperature and room temperature.

  • If you do not plan to bake with the starter on the day it is fed, refrigerate 3-4 hours after feeding.

  • Feed refrigerated starter weekly. If you go longer than a week without feeding, you may want to give the starter two feedings before using.

Equipment

My Book

1 quart glass or plastic container

Kitchen Scale

Bread Making Tools

As an Amazon Associate and member of other affiliate programs, I earn from qualifying purchases.

Notes

Check out these recipes that use sourdough discard if you don’t want to throw it away.

Nutrition

Calories: 43kcal | Carbohydrates: 9g | Protein: 1g | Fat: 0.1g | Saturated Fat: 0.01g | Polyunsaturated Fat: 0.04g | Monounsaturated Fat: 0.01g | Sodium: 1mg | Potassium: 10mg | Fiber: 0.3g | Sugar: 0.03g | Calcium: 2mg | Iron: 0.4mg

Have you tried this recipe?Mention @eileen.bakingsense or tag #bakingsense!

How to Feed & Maintain your Sourdough Starter (2024)

FAQs

How do I maintain my sourdough starter? ›

Maintaining A Sourdough Starter:

Leaving it out on the counter, it will need to be fed equal parts water and flour every 12-24 hours. Warmer homes or frequent baking will require more frequent feeding (around every 12 hours), while colder homes every 24 hours.

How often should I feed my sourdough starter? ›

In the Fridge: if you bake only once a week or once a month, store your starter in the fridge. Feed it (1x) per week to maintain it's strength. You do not need to bring it to room temperature first before feeding it; just remove it from the fridge, feed it and put it back.

Do you have to discard sourdough starter every time you feed it? ›

You must discard some of your sourdough starter each time you feed it. You'll discover that discarding is necessary to build a healthy and thriving sourdough starter - but it's not actually as wasteful as you might think.

How long can you maintain a sourdough starter? ›

If you plan to use it often, you can store it for up to two months without feeding. When you want to use the starter again, remove it from the fridge for a few hours, then feed it every 12 hours for 36 hours before you make bread with it.

Should sourdough starter be stored in an airtight container? ›

It will need a lid or cover, but not something airtight: Sourdough starter emits gas, and a sealed canister can explode. If you have intermittent baking plans, you may want something that can be lidded more tightly and stashed in the refrigerator.

What are three top tips when making sourdough starter? ›

Sourdough Starter Feeding Chart

Maintain your sourdough starter in an ideally warm environment (75-80ºF) and feed it twice a day for best results. You can choose to feed your sourdough starter once a day or let it ripen and put it in the refrigerator in between bakes. Feed it once at room temperature before using.

Can I overfeed my sourdough starter? ›

Because, yes, you can overfeed your sourdough. The explanation is quite simple: if you add too much water and flour, you're basically diluting the natural population of yeast and bacteria. This means that your sourdough starter will not rise much and will not be very bubbly.

What happens if I dont feed my sourdough starter every day? ›

If you don't feed it often enough, the sourdough starter starts to smell like alcohol. You may also find that the starter loses its vibrancy and doesn't get too bubbly and active after a feeding. Don't worry, you can always get the starter to recover.

What is the oldest sourdough starter? ›

The answer appears to be Egyptian sourdough. Scientists have revived yeast microbes from 4,500 years ago to make a loaf of bread unlike anything on the grocery store shelves today, as part of an experiment to better understand the gut bacteria of ancient humans.

What happens if you feed starter without discarding? ›

The discard is just the sourdough starter you're not currently feeding or baking with. It's called discard because it often gets "discarded" during feeding. If you don't "discard" some starter during feeding your starter will just grow and grow and grow until you're staring in a remake of The Blob.

How do you store sourdough starter long term? ›

For best long-term storage, dry it
  1. Ready your sourdough starter for storage. ...
  2. Spread it out to dry. ...
  3. Dry the starter completely, until it's brittle. ...
  4. Break it into pieces. ...
  5. Store it airtight. ...
  6. Bring your sourdough starter back to life. ...
  7. Mix the starter with lukewarm water. ...
  8. Feed it with flour.
1 May 2015

Can I feed my starter every other day? ›

You will need to 'feed' it every day (at the same time, if possible). A sourdough starter stored at room temperature and fed everyday will have a milder flavour than one kept in the fridge and fed once a week.

Does sourdough starter improve with age? ›

Yes. A more mature starter will have a better established colony of lactobacillus (the good bacteria that give you the distinctive sourdough flavor). So as your starter matures and ages, it will develop a much stronger sourdough flavor.

What happens if you leave sourdough starter too long? ›

SEVERE NEGLECT: If you neglect your starter long enough, it will develop mold or signs of being overtaken by bad bacteria. Mold can appear in various colors and is typically fuzzy in appearance. Bad bacteria is generally indicated by an orange or pink tinge or streak.

How do you know if your sourdough starter is still good? ›

Fill a glass bowl or cup with room-temperature water, and drop a small scoop (a teaspoon or less) of the starter into the water. If it floats, it's ready to use. If it sinks, your starter will need more time to develop, either with another feeding or simply more time to sit and develop air bubbles.

Can I use a mason jar for my sourdough starter? ›

I prefer to use wide mouth glass jars, as the are easier to see the fermentation bubbles of the starter, easier to clean, and the wide top makes stirring simpler. You can use large mouth Mason Jars or Weck Glass Jars to house your starter.

What is best container for sourdough starter? ›

Glass and plastic are both excellent choices for sourdough starter containers. They're clear, durable, and dishwasher friendly. So while ceramic sourdough crocks are absolutely gorgeous, I don't find them to be as functional as glass or plastic.

What can I feed my sourdough starter? ›

Add 1 scant cup (113g) flour and 1/2 cup (113g) lukewarm water to the 1/2 cup (113g) starter in the bowl. Mix until smooth, return to its jar or crock, and cover. Repeat this process every 12 hours, feeding the starter twice a day.

What is the secret to good sourdough bread? ›

You use the right flour to feed your culture. Organic whole grain wheat and rye and spelt will work best because these grains will have enough yeast spores to keep your culture going. You use the right water too. A sourdough culture does not like chlorine, so if your tap water has too much of it, use bottled water.

Should sourdough starter be left uncovered? ›

You want to cover it mostly to prevent anything from inadvertently falling inside the jar, but it also helps prevent the mixture from drying out.

Should I add sugar to my sourdough starter? ›

Should You Add Sugar to Your Sourdough Starter? Short answer - no! You don't need to add an additional food source to your sourdough starter. Flour and water are truly all you need.

How long does sourdough starter need to sit after feeding? ›

Your starter needs to be fed about 1x per week if refrigerated, and every day if left at room temperature. Generally, about 5-6 hours after feeding my starter is ready. The time may vary based on room temp, dough temp, etc. The starter should have doubled in volume and started to recede and/or pass the float test.

Should I feed sourdough starter twice a day? ›

Feeding Schedule:

If you store the starter at room temperature, you need to feed it twice a day. Don't wait for the risen starter to collapse before the next feeding, because it messes with the ph levels and can make the yeast and bacteria less active. Every 12 hours, feed it.

Should you feed sourdough starter every 12 or 24 hours? ›

Continue feeding your starter every 12–24 hours until it doubles in volume every 8–12 hours, has a pleasant, yeasty smell, and passes the float test (see note). Once it passes the float test, your starter is ready to be baked with! The whole process of getting your starter established can take anywhere from 5–10 days.

Can you use 2 day old sourdough starter? ›

Sourdough discard is unfed starter. It's the portion of the starter you remove before you feed your sourdough starter. You should toss the sourdough discard from your starter for at least the first 7 days. In this early period, the discard will contain bad bacteria which can potentially be unsafe for you to consume.

Can I add beer to my sourdough starter? ›

It is a very good combination and one worth exploring. The yeast contained in the beer marries well with the yeast in your sourdough starter and produces a rich and complex sourdough flavor.

Can you use a metal spoon to stir sourdough starter? ›

You can use stainless steel utensils to stir sourdough starter. Reactive metals you'll want to avoid are aluminum and copper.

What type of flour is best for sourdough starter? ›

Any flour containing starch is suitable for a sourdough starter, since it is the sugar that the microbes feed on. Glutenous flours, such as spelt, einkorn, rye, and wheat, tend to work best.

Why do you remove half the sourdough starter? ›

As part of the feeding process, most bakers discard some of their sourdough starter before adding fresh flour and water to the jar. This is done to refresh the acidity levels (think sweet vs. sour smell) and to manage its overall growth in size. This technique is crucial for successful sourdough bread.

Can I feed my starter straight out of the fridge? ›

Yes, you can feed sourdough starter straight from the fridge. If you've stored your sourdough starter in the fridge, you will need to discard first and then feed as per normal. For example you would discard all but 50g of starter and then feed 50g of flour and 50g of water.

How do you make a sourdough starter stronger? ›

In order to strengthen your sourdough starter try and give it flour only for one or two feeds. This will make the mixture stiffer. If your starter is quite runny, it should be easy to stir the extra flour into the mixture. If it seems a little stiff, it will loosen up as it eats and ferments the flour.

Why is my sourdough starter bubbly but not rising? ›

If at one point your starter was all bubbly and happy, and now it's not rising anymore, it's possible that it needs a few extra feedings to boost the yeast development. Assuming you understand how temperature and ingredients can effect the rise of your starter, try feeding it 2x per day and see what happens.

How old is the oldest mother dough? ›

Sourdough starters, often referred to as mother dough, have a nearly 6,000-year history that spans the globe and are responsible for feeding the planet millions of times over.

What's the oldest mother dough? ›

Sourdough is the oldest form of leavened bread.

Should I stir the hooch back into my sourdough starter? ›

Hooch is harmless but should be poured off and discarded prior to stirring and feeding your starter. If a hooch is forming on your starter regularly, increase the feeding frequency and/or move the starter to a cooler spot (70-85ºF), to slow things down.

Do I refrigerate my sourdough starter after I feed it? ›

If you do not plan to bake with the starter on the day it is fed, refrigerate 3-4 hours after feeding. Feed refrigerated starter weekly. If you go longer than a week without feeding, you may want to give the starter two feedings before using.

Can sourdough starters live for hundreds of years? ›

So can a starter really be over 100 years old? Well yes, it can. Maybe it has come from a bakery that has been using (and therefore feeding) their sourdough starter for 100 years or more (like Boudin Bakery). Maybe someone dried a sourdough starter many moons ago and has kept it cool and dry.

Can you overfeed a sourdough starter? ›

Because, yes, you can overfeed your sourdough. The explanation is quite simple: if you add too much water and flour, you're basically diluting the natural population of yeast and bacteria. This means that your sourdough starter will not rise much and will not be very bubbly.

What kind of container is best for sourdough starter? ›

Ideally, you should use a medium sized, clear glass jar with a lid that can be loosely rested or screwed on tight. At a glance, the best sourdough starter jar should be: Medium sized. Clear or transparent.

What are the key points for success when making sourdough starter? ›

Find the Peak, Feed at Peak

The best way to ensure a healthy and thriving starter is to feed at peak—the point at which yeast activity is high but the starter isn't yet proteolytic and gluten-weakening. For instance, at a feeding ratio of 1:3:3 or 1:4:4, a healthy starter should peak in at most 8-12 hours.

How do I feed my starter daily? ›

Add 1 scant cup (113g) flour and 1/2 cup (113g) lukewarm water to the 1/2 cup (113g) starter in the bowl. Mix until smooth, return to its jar or crock, and cover. Repeat this process every 12 hours, feeding the starter twice a day.

How do I feed my starter every day? ›

Feed the starter 1/2 cup (4 ounces, 113g) water and a scant 1 cup (4 ounces, 113g) all-purpose flour twice a day, discarding all but 1/2 cup (4 ounces, 113g) of the starter before each feeding. It should soon become healthy, bubbly, and active.

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