Sourdough Banana Bread Recipe (2024)

by Nicole 39 Comments

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Sourdough Banana Bread Recipe (1)

Although it might sound fancier or more complicated than a traditional banana bread, this sourdough banana bread recipe is even easier to put together than regular banana bread. And it’s sodelicious your friends and neighbors will be begging to know your secret ingredient.

The reason this sourdough banana bread is so easy to make is that I use my food processor to combine all the ingredients. You can make this with a mixer if you don’t have a food processor, but my Cuisinart whips it up in no time!

Because it’s blended together in the food processor, you don’t even have to mash the bananas first! In fact, I even let the Cuisinart chop the walnuts for me as it’s mixing. Easy peasy.

Sourdough Banana Bread Recipe (2)

Like the sourdough biscuit and pancake recipes I have posted recently, this banana bread recipe uses a cup of sourdough starter straight from the refrigerator so it’s a perfect way to use up the sourdough discard when feeding your starter.

Sourdough banana bread is put together like a regular quick bread but it uses a cup of sourdough starter to replace part of the flour and liquid from a traditional banana bread recipe. The sourdough starter adds extra flavor, but doesn’t actually make the banana bread taste like sourdough bread.

Your sourdough banana bread will just have that little something special that will make people wonder what your secret is.

Sourdough Banana Bread Recipe (3)

If you’d like to keep your own sourdough starter so you can makesourdough bread, biscuits, pancakes, chocolate cake, pumpkin cake, banana bread, and more, you shouldmake your own.

I’ve recently updated my sourdough starter post to include printable instructions. And I have shared step-by-step, day-by-day photos of the entire process in case you want to check back in to compare your results with mine along the way. It takes about a week to create a sourdough starter from scratch, but it’s easy to do and only takes a couple minutes of work each day.

If you’d prefer to purchase a sourdough starterinstead, King Arthur Flour sells one and it works great. In fact, my very first sourdough starter was one I purchased from them over ten years ago!

If you already have a sourdough starter ready to go, lucky you! Let’s make some banana bread! Make sure to check out the links below the printable recipe because I’m sharing some great sourdough ideasthis week.

Sourdough Banana Bread Recipe (4)
Sourdough Banana Bread Recipe (5)

Yield: 16 slices

Prep Time: 20 minutes

Cook Time: 1 hour

Total Time: 1 hour 20 minutes

Ingredients

  • 1 1/2 cups all purpose flour
  • 1 cup sugar*
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 cup sourdough starter (cold is fine)
  • 1/2 cup softened butter
  • 1 cup mashed ripe banana (about 2 1/2 medium bananas)
  • 1 egg
  • 1 teaspoon vanilla
  • 1 cup walnut halves (or 3/4 cup chopped walnuts)

Instructions

Preheat oven to 350 degrees. Grease a 8-by-4-inch loaf pan with butter or baking spray. (use a 9-by-5-inch loaf pan if that’s all you have. The loaf will be a bit shorter than pictured and might bake slightly faster.)

Food Processor Instructions:

1. Fit your food processor with the standard mixing blade. Add flour, sugar, baking soda, and salt to the bowl and pulse to combine.

2. Pour sourdough starter over the top of the flour (if it’s thick, just spread it out as evenly as possible over the flour), cut softened butter into about 5 chunks and distribute over the top of the starter and flour. Break bananas into chunks and distribute them over the other ingredients (or just spread the mashed banana over the top). Add the egg and vanilla. Cover and pulse all the ingredients together until a thick, smooth batter is formed.

3. Add the walnut halves and pulse a few more times until they are chopped and evenly distributed (if your walnuts are already chopped, just pulse to quickly combine.

4. Carefully remove the blade and scrape any batter off the blade back into the bowl. Scrape the batter into the greased loaf pan then smooth the top.

5. Bake at 350 degrees for 60 to 70 minutes or until well browned and a toothpick inserted in the center of the loaf comes out clean.

Mixer instructions:

1. In a medium bowl, whisk together flour baking soda and salt; set aside.

2. In a separate large mixing bowl or bowl of a stand mixer, cream together butter and sugar until light.

3. Beat in egg, vanilla, sourdough starter, and mashed banana. Gradually beat in flour mixture until well combined, scraping the bowl occasionally as you go. Stir in chopped walnuts.

4. Scrape batter into greased loaf pan and smooth the top.

5. Bake at 350 degrees for 60-70 minutes, or until well browned and a toothpick inserted in the center of the loaf comes out clean.

Notes

Sugar can be reduced to 3/4 cup if you like a slightly less sweet banana bread. Whole wheat flour can be used in place of all purpose flour (white whole wheat flour makes a great banana bread). If you use kosher salt instead of table salt, increase to 1 teaspoon.

Nutrition Information:

Yield: 16Serving Size: 1
Amount Per Serving:Calories: 303Total Fat: 14gSaturated Fat: 6gTrans Fat: 0gUnsaturated Fat: 8gCholesterol: 36mgSodium: 261mgCarbohydrates: 41gFiber: 2gSugar: 19gProtein: 5g

This post includes Amazon affiliate links. Making purchases through these links won’t affect the amount you pay, but I will earn a small percentage, which helps support this blog and my family. Thank you.

More SourdoughRecipes:

  • How to Make a Sourdough Starter
  • Pumpkin Maple Sourdough Cake
  • How to Make Sourdough Bread
  • Sourdough Pancakes
  • Sourdough Chocolate Cake with Chocolate Cream Cheese Frosting
  • Buttery Sourdough Biscuits

Sourdough Recipes Around the Web:

Previous Post: « Appetizer Idea: Steamed Brussels Sprouts with Dilly Dip

Next Post: Pumpkin Praline Cake with Whipped Cream Frosting »

Reader Interactions

Comments

  1. Amit says

    If I mix this batter and let it rest for an hour before baking, would it rise? Also would it turn sour?

    Reply

    • Nicole says

      Hi Amit, I don't think it will really rise at all in an hour. The flavor might change a bit the longer it sits, but it won't really taste sour.

      Reply

  2. Meyer says

    Hi.I followed the recipe and I ended up with a brick.It is too wet in the inside and became a block. It looks kind of raw and like a bread that went wrong.

    Reply

    • Nicole says

      It's hard to say what went wrong exactly. Did you remember the baking soda? This recipe relies on the baking soda to help the bread rise. If it was still raw in the middle, it wasn't baked long enough. Have you checked your oven temperature to make sure it's accurate?

      Reply

  3. Maggie says

    Loved this as banana bread. I'm going to try tweaking it today for zucchini bread! The garden overfloweth!

    Reply

  4. Sandie says

    I love this recipe!! So easy to put together in the Cuisinart! I want to use blueberries instead of the walnuts. Will I need to bake it longer??

    Reply

  5. Krista says

    Absolutely delicious!!

    Reply

  6. julie domeyer says

    I thought I'd update for anyone interested...I make this with pumpking fairly regularly. It turns out great! I cut the sugar down to 1/2 a cup for both banana and pumpkin, but we do add chocolate chips pretty much every time. It has turned into our favorite bread recipe and is made weekly.

    Reply

  7. Lisa Bresnahan says

    Great ideas, thank you for taking the time to write them up.

    Reply

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Sourdough Banana Bread Recipe (2024)

FAQs

What is the secret to sourdough bread? ›

The secret to sourdough is simple: water. The more water you add to your dough will affect how open the crumb (bigger holes and softer texture) will be once it's baked.

How much sourdough starter is needed for a loaf? ›

Ingredients for one sourdough bread loaf
  1. 500 grams of bread flour.
  2. 330 grams of lukewarm water.
  3. 50 grams of active starter (fed)
  4. 9 grams of salt.
Dec 9, 2021

What happens when you use too much sourdough starter in bread? ›

And you guessed it..the more starter you use, the faster your dough will ferment - resulting in a less sour loaf. Using less starter in your recipe will help slow down the fermentation process.

What is the best ratio for sourdough bread? ›

Typical feeding ratios are 1:2:2 or 1:3:3 (old sourdough: fresh flour: water). However, even extreme ratios like 1:50:50 would still work. In that case, the freshly fed sourdough would just require more or much more time to grow and reach its peak, as judged by the maximum volume increase in the jar (at least doubled).

What is the secret to fluffy sourdough? ›

Keeping the lid on for the first part of baking allows steam to expand between the gluten fibers to rise the bread and create a fluffy loaf. Step 4: Remove the lid and bake for an additional 12-14 minutes or until the crust is crispy and golden brown. Once you take the lid off, the bread likely won't rise anymore.

What not to do with sourdough? ›

Here are the big errors to avoid when working with sourdough.
  1. You Bake Too Soon. ...
  2. You Use Unfiltered Tap Water. ...
  3. You're Impatient. ...
  4. You Don't Let Gluten Develop Properly. ...
  5. You Don't Let the Bread Proof Long Enough. ...
  6. You Don't Score the Surface of the Bread Properly. ...
  7. The Baking Time Is Too Short. ...
  8. The Bread Doesn't Rest Long Enough.
Apr 1, 2022

What is the best flour for sourdough bread? ›

The best flour blend for creating a new sourdough starter is 50% whole-meal flour (whole wheat or whole rye) and 50% bread flour or all-purpose flour. I recommend a 50/50 mix of whole wheat flour and bread flour.

Is it cheaper to make your own sourdough bread? ›

So if you look solely at the ingredients, it is cheaper to make your own sourdough. But if you bring other factors into it - it might not be as cheap. This post aims to show you how you can bake a classic sourdough loaf with a little work and no fancy equipment.

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

With each sourdough starter feeding, you'll be discarding some to avoid it from becoming overly acidic. Most will compost or trash this discard, but you can save it and use it in other recipes!

What happens if you eat sourdough discard too early? ›

It's the portion of the starter you remove before you feed your sourdough starter. What is this? 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.

What happens if you let sourdough bread rise too long? ›

The loaf is also inclined to over spring resulting in a crumb with big, random, holes or channels running through the loaf. If you over-ferment the dough you run the risk of the gluten structure degrading and the loaf turning into a puddle of goo before your eyes, never to be retrieved and destined for the bin.

Can you overfeed sourdough starter? ›

Yes, you can overfeed your sourdough starter. Audrey explains: “Every time you add more flour and water, you are depleting the existing population of natural bacteria and yeast.” If you keep adding more and more, eventually you'll dilute the starter so much that you'll just have flour and water.

How much to discard sourdough starter? ›

Experts recommend feeding a starter twice daily. And at each feeding, you hold onto 1/2 cup of your original starter, discard the rest, and then add its same weight in water and flour. With this schedule, you'd discard almost a cup of sourdough starter every day.

How to know if sourdough starter is bad? ›

As you can see (or smell!), a sourdough starter should have a sour, tangy, and yeasty aroma, with subtle undertones depending on the type of flour used. However, offensive or foul odours such as rancid, putrid, or mouldy smells are signs that something has gone wrong with the starter.

What makes sourdough bread taste better? ›

Keep the dough temperature lower: Lactic acid bacteria are most active in the higher temperatures of the mid 80s-90sºF. Keeping the dough in the 76-78º F range will still ferment and produce bacteria but will encourage lactic acid bacteria instead of acetic acid bacteria resulting in a more mild flavored loaf.

What is the secret behind the sour of sourdough bread? ›

First, the production of lactic acid (as well as acetic acid) lowers the pH of your starter to around 3.5 (and as high as 5). This lowering of pH results in that characteristic sour flavor of sourdough. Second, a low pH eliminates unwanted pathogens like enterobacteria or Staphylococcus.

How to improve your sourdough bread? ›

To increase the sour flavor of this sourdough bread, add more whole grains (both to your sourdough starter and the dough itself), keep the dough warm (78°F/25°C or warmer), and lengthen the total fermentation time by keeping the dough in the fridge to proof even longer than the 16 hours specified in the recipe—24 hours ...

What are three top tips when making sourdough starter? ›

Top 10 Sourdough Starter Tips for Success
  1. Maintain a Schedule to Feed your Sourdough Starter. ...
  2. Know How to Store a Sourdough Starter. ...
  3. Maintain a Small Sourdough Starter.
  4. Use Sourdough Discard for Less Waste.
  5. Know How to Revive a Sourdough Starter. ...
  6. Measure your Ingredients by Weight.
Mar 26, 2024

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