Make your own sourdough starter

If you are a fan of fantastic bread and baked goods, having a sourdough starter is a great tool in your baking arsenal; learn how easy it is to make your own. Just follow this sourdough starter recipe.

A sourdough starter is not difficult to make. All you need is time and a little bit of consistency. It’s the baking worlds answer to a green thumb.

Set off a specific time of day where you check and feed your sourdough starter. It does not matter when you do it, as long as it fits your daily schedule. It’s just important that you don’t forget it.

beenhere

Got questions?

I’ve collected a list of frequently asked questions when you are building your sourdough starter. Read them all here.

Ode to my starter

Starter, oh, starter,
how I love thee.
Each time I feed you,
you grow by three.
You make the best bread,
with salt, water and flour
The tastiest loaves,
which, with glee, I devour

How do I keep it alive?

When your sourdough starter is ready, you need to keep it alive. If you are baking often I recommend that you keep it outside the fridge, so it is always ready to be baked with. Keep feeding it as you’ve done it so far. Once a day.

Mature sourdough starter!

If it seems less active or your kitchen is cold, maybe you will want to feed it every day.

If you are only baking once a week, you can keep it in the fridge during the week. If you want to bake on Saturday, you can “wake it up” on Friday morning, by taking it out and feeding it. Leave it on the counter. Feed it again in the evening and it should be ready for baking on Saturday morning.

So what? How do I use this sourdough starter recipe?

When you sourdough starter is active you can start baking with it. I’ve made a guide and recipe which is a fantastic place to start when you want to bake sourdough bread. So have a look at that!

Follow this sourdough starter recipe and get a very active and healthy starter

It’s that easy. Just follow this sourdough starter recipe. Just get started. If you have any problems, you can just contact me.

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If you find this recipe useful, please help me and share it with your friends and followers. That would make me very happy.

Sourdough starter

Course: Baked Goods
Cuisine: All
Keyword: bread, sourdough bread, sourdough starter
Prep: 1 hour
Total: 1 hour
Servings: 1 active sourdough starter
Calories: 812kcal
Author: Sune Trudslev
Nutrition Facts
Sourdough starter
Amount Per Serving (225 g)
Calories 812 Calories from Fat 27
% Daily Value*
Fat 3g5%
Sodium 15mg1%
Potassium 225mg6%
Carbohydrates 163g54%
Fiber 5g21%
Protein 26g52%
Calcium 34mg3%
Iron 2mg11%
* Percent Daily Values are based on a 2000 calorie diet.
It is very simple to make your own sourdough starter. All you need is time and patience.
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Ingredients

  • bread flour
  • wholegrain rye flour
  • water

Instructions

  • Start by putting 100 grams of rye flour and 150 grams of water in a glass container
  • Mix thoroughly so all the flour been hydrated
  • Put somewhere warm to the next day (in a window in the sun or near a heater)
  • The follow the routine beneath until you have an active sourdough starter. You know it is active when it grows to at least double size over four to eight hours after you've fed it

Daily feedings

  • Mix the sourdough starter
  • Measure out 50 grams of sourdough starter in a fresh, clean glass container
  • The starter that's left over should be thrown out, at this point it may contain bacteria that you don't really want to eat.
  • Add 100 grams of bread flour and 100 grams of water and mix thoroughly. Close the container. You can seal it if you want. Store somewhere warm (about 25°C/77°F)
  • Repeat every day until your sourdough starter is bubbly and grows predictably. Normally it takes six to seven days

Video

Noter

  • Every day when you are about to feed the starter, you might see a brownish liquid on the top of it. Just stir it back in.
  • The starter should smell sour, it doesn’t mean it has gone bad.
  • Any mold or mildew on top of the starter means it has gone bad. There is no way to save it.

Frequently asked questions (FAQ)

Why should I use rye flour?

The reason you need to start the sourdough starter with rye flour is because there is more “food” for the yeast to eat. You can substitute with whole-wheat flour or bread flour, if you don’t have rye. It may take longer for your starter to get active though.

My sourdough starter is dead. It was super active, but now nothing happens. Should I start over?

It is very common that the starter will seem dead after a couple of days. Don’t get discouraged. Just keep the schedule. Feed every day.

I keep feeding, but nothing happens. What’s wrong?

An incredibly important factor in starting a sourdough starter is temperature. If your kitchen is around 20°C/68°F it will slow down the process significantly.

The starter works best between 25°C/77°F to 28°C/82°F. So put it somewhere warm. On top of the fridge or in a window with sunlight are good choices. If you have an oven where you can turn on the light without turning on the oven, that could be an option too.

Can I seal the glass?

Yes, it won’t hinder the growth as long as you open the glass every day (which if you follow the recipe you will do).

My starter was made with the glass jar sealed, but if it worries you, put the lid on top without sealing.

I started a starter but I need to leave for a few days. Can I put it in the fridge?

No, you have to constantly feed it to get it started. You can start putting it into the fridge after it grows every time after you feed it. That should be after the “dead period” mentioned above.

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  14. Faiezah Badat Reply

    Good day ,everytime I remove the 50 g of starter to add new flour and water should I do with the starter from the previous day?

    • You should take 50 grams of starter for the previous day and add 100 grams of flour and 100 grams of water 🙂

  15. Cheryl Reply

    Thank you for sharing. I have started my starter yesterday.

  16. Cheryl Reply

    Can I change the type of flour when I am feeding? Also what happens if I add more water than the 100gm? I accidentally added more water and today is day 5 and not seeing much activity.

  17. Rogério Toth Reply

    Greetings from Brazil. Is it normal to get it to double in size at the very first 24 hours? I’ve started to make my starter yesterday afternoon and when it was late in the morning today, it was already doubled in volume, so I took 50 grams and fed it again (100/100g). When it was about the time I started it on yesterday it was overflowing the glass jar! so it tripled in volume! I’ve used regular white flour (as this is all we can find in Brazil, there is no strong or bread flour over here). So it took about 5 hours to double in volume. Is it right? I know that there are some flours in Brazil that would come already mixed with baking powder, but that would not be the case as I always make sure to pick the right one (no baking powder). Any guesses?

    • It’s normal for it to grow in the beginning. This is from bacteria, not yeast.

      Usually around the 4th or 5th day it may seem dead. That’s a good sign. After that it should start to grow predictably and you can start to bake with it.

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  19. Jane Reply

    Hi Sune. Sorry if this is silly question but every time you feed the started, you are to remove a portion of the starter and put it in a new container and “feed” the stuff in the new container…and you do this for multiple days… what do you do with all those half filled containers of starter left behind.. can we throw it all together? Thanks

    • When you are making a starter you should throw it out. Once it starts going predictably after a feeding, you can use the leftover starter for discard recipes 🙂

  20. Tobias Reply

    If the ingredients are:
    Bread flour,
    Wholegrain rye flour
    and
    Water.
    Then where does the yeast come from..?

    • It’s on the flour, in the air, on your hands. You know, love is all around us 😉

  21. Hi Sune, Great recipe for the calculator which I have been unable to download, but I would like a file copy please. I have been making SD for a couple of years, my favourite adding seeds as it, combined with SD is better for Type 2 diabetics. Tried your method from some of your videos, but not this one and used the lift and fold method. The result is the best ‘holey’ crumb so far. Didn’t bake quite long enough as domestic fan ovens NEFF don’t go to commercial heats and the fan means I have to block the vents to retain some of the steam as I bake on a pizza stone rather than Dutch oven.
    Looking forward to a working calculator when you can find the time.
    Regards

    Peter

    • The calculator is only available online.

      For more holes in your crumb, you should first have a super active starter, and then you should handle the dough very delicately 🙂

  22. Hi – have you done ‘geek’ experiments on autolysing – periods of time, with and without salt, with and without the starter?

    • I haven’t tried different lengths of autolyse, but since the function is to mainly kickstart gluten development, you can always add time later in the process if you didn’t get the results you wanted.

      I did do a test with without and with salt: https://youtu.be/Z0o-tkaDqps

      I’ve started baking with everything mixed in. I should do an experiment with it 🙂

  23. Carey Satin Reply

    Hi Sune,
    I was wondering if it was possible to speed up the process of making a new starter by feeding it more often as it establishes itself. For instance, would it be faster to feed it 3-4 times the first 2 days, 2-3 times the next two days, then finally once a day, as opposed to only feeding it once a day? Have you ever done an experiment like that?

    Tasty regards!
    Carey

    • I’ve haven’t done an experiment, but before some yeast has established itself in the starter I think you are just diluting it, stopping the process 🙂

  24. Timothy Limon Reply

    When feeding which flour is best? when I feed with bread flour (100% whole wheat) it seems to take longer to double than feeding with all purpose flour.

    • Feed whatever flour makes your starter the most active 🙂

  25. Robin Reply

    Hello,
    How does increasing or decreasing the amount of starter used in a recipe affect the final loaf of bread?

    • It depends on how much you use. In the range of 5% to 30% it doesn’t, but above, probably. I am planning to test this 🙂

  26. Jersie Reply

    Great recipes. I’ve made wonderful bread but not very sour. Suggestions?

    • Thanks 🙂

      The easiest suggestion is to use whole grain rye instead of whole grain wheat 🙂

      Otherwise let the levain go longer and use it when you feel it’s sour enough 🙂