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Home » recipes » sourdough discard recipes

Sourdough Discard Banana Bread

Modified: Apr 23, 2025 · Published: Jul 19, 2023 · by anita | wild thistle kitchen · This post may contain affiliate links · 20 Comments

  • 62
Jump to Recipe· 4.9 from 8 reviews
Sourdough Discard Banana Bread

This buttery quick bread has become my favorite way to use up two things I always seem to have a surplus of: overripe bananas and sourdough starter discard. Naturally sweetened with just enough honey and jazzed up with the balancing tang from sourdough discard, this sourdough discard banana bread is not your typical banana bread recipe.

banana bread loaf sliced on cutting board with bananas in background

Recipe Background and Details

I love using sourdough starter to create crusty loaves of bread or bubbly pizza crusts. But sometimes I also need to just shove the jar in the fridge and forget about it. Even on those weeks I don't have time to fuss with long-fermented sourdough recipes, I still crave the interaction with my beloved starter. That is precisely why I love adding sourdough discard, or unfed starter, to my everyday quick bakes like this sourdough discard banana bread, my Sourdough Discard Cinnamon Rolls and Sourdough Discard Sandwich Bread!

Jump to:
  • Recipe Background and Details
  • How to make Sourdough Discard Banana Bread
  • Step-by-step photos
  • What can I use my sourdough discard for?
  • More Sourdough Recipes
  • Sourdough Discard Banana Bread
buttered slice of banana bread with bite taken on linen cloth with loaf of sliced banana bread in background

How to make Sourdough Discard Banana Bread

This batter comes together in a flash. First, mash bananas in a large mixing bowl and add wet ingredients on top. Whisk well to combine. Next add dry ingredients that you have quickly mixed together in a separate bowl. Finally, add to a buttered loaf pan and bake!

Step-by-step photos

sourdough discard banana bread ingredients on white marble surface
wet ingredients in white bowl
dry ingredients in white bowl
banana bread batter in white bowl with whisk
buttered loaf pan lined with parchment next to banana bread batter bowl
loaf pan filled with banana bread batter

What can I use my sourdough discard for?

Well, this sourdough discard banana bread of course! But seriously, you can add sourdough discard to almost any baked good recipe. You will need to adjust the flour and liquid measurements to accommodate the addition of starter. Basically for every 100 grams of starter you add, subtract 50 grams liquid and 50 grams flour from the recipe. And you will treat sourdough discard as a liquid when adding it to the recipe. I find it best suits breads, quick breads, muffins, and yeasted doughs like cinnamon rolls and pizza crust. Be sure to give my popular sourdough discard recipes a try: Sourdough Discard Cinnamon Rolls, Sourdough Discard Soft Pretzels, and Sourdough Discard English Muffins, and Overnight Sourdough Pancakes.

side view of sourdough discard banana bread sliced on cutting board with bananas in background

I hope you will give this sourdough banana bread recipe a try. I have really been diving deep into my sourdough recipe development over the past month or so, so if you enjoy sourdough recipes stay tuned! As always, thanks for being here. xo - Anita

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front view of Sourdough Discard Banana Bread sliced on cutting board with bananas in background

Sourdough Discard Banana Bread

5 Stars 4 Stars 3 Stars 2 Stars 1 Star

4.9 from 8 reviews

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Naturally sweetened with honey and balanced with the tang of sourdough discard, this Sourdough Discard Banana Bread is not your typical banana bread recipe.

  • Total Time: 65 minutes
  • Yield: 1 loaf

Ingredients

  • 2 cups all purpose flour
  • 1 teaspoon cinnamon
  • 1 teaspoon baking soda
  • 1.5 teaspoons baking powder
  • ½ teaspoon fine sea salt or kosher salt
  • 1 stick (4 ounces) butter, melted*
  • ¾ cup honey
  • 2 eggs
  • ½ cup sourdough discard*
  • 3 medium bananas, mashed (about 2 cups)
  • 1 teaspoon vanilla extract

Instructions

  1. Preheat oven to 350 degrees F. Butter a 9x5 inch loaf pan and line it with parchment.
  2. In a small bowl combine dry ingredients (flour, cinnamon, baking powder, baking soda, salt) and whisk to combine.
  3. In a large mixing bowl mash bananas thoroughly with a potato masher or a fork. Add remaining wet ingredients (sourdough discard, vanilla, eggs, honey, and butter) whisk well to combine. *if your honey is solid or crystallized, warm it with the butter. I have done this many times.
  4. Add dry ingredients and fold until no streaks of flour remain and ingredients are all well incorporated. 
  5. Transfer batter to prepared pan and bake on center rack for 55-60 minutes, covering loosely with foil after 45 minutes. 
  6. When thoroughly baked, a wooden skewer should come out with a few moist crumbs attached. If wet batter remains, give another 5 minutes and test again. 
  7. Remove from oven and allow to cool for 10 minutes in pan before removing to a wire rack.
  8. Enjoy warm with butter!

Notes

I almost always use salted butter because that's what we prefer to keep on hand in our home. You can use salted or unsalted in this recipe and if you are worried about the salt, simply lower the salt amount from ½ teaspoon to ¼ teaspoon (I never do this).

You can use fed or unfed (discard) starter. The fed will result in a higher rise in your loaf.

  • Author: anita | wild thistle kitchen
  • Prep Time: 10 minutes
  • Cook Time: 55 minutes
  • Category: quick bread, sourdough, breads and breakfast
  • Method: baking
  • Cuisine: American

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  • 62

About anita | wild thistle kitchen

Hi, my name is Anita! Welcome to Wild Thistle Kitchen. This is where I share rustic, comforting, seasonal recipes (both sweet and savory!) as well as nostalgic food memories. I'm so happy you're here! xo - Anita

Comments

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  1. Amy says

    October 05, 2025 at 8:59 pm

    I can’t seem to fully mix the starter in with the other wet ingredients. It’s stringy in comparison. Is this normal?

    Reply
    • anita | wild thistle kitchen says

      October 06, 2025 at 3:04 pm

      Hi Amy. Yes, it can be normal if your starter is a little on the thicker side or if it is cold from the refrigerator. Just use a whisk and mix it vigorously and it will come together. 🙂

      Reply
  2. Barbara S says

    August 21, 2025 at 6:12 pm

    I absolutely love this recipe! I have made several times and always get rave reviews. I like that it only uses honey and bananas for sweetener. I do add chopped walnuts, which I feel adds additional fiber and texture so it is somewhat healthier. I always have a lot of sourdough discard leftover so I am looking for ways to use it. This is definitely a winner!

    Reply
    • anita | wild thistle kitchen says

      August 22, 2025 at 9:14 am

      Hi Barbara! I'm so happy you've been enjoying this recipe. Thanks for letting me know! And the walnuts sound like a great addition. My grandma always added walnuts to her banana bread. 🙂 - Anita

      Reply
  3. Tracy says

    April 23, 2025 at 11:21 am

    I just made these banana bread in muffins!! They have a fabulous taste! Not sure if my oven is a lot hotter being gas, but had to take them out after 25 minutes or they would have burned. What oven temp and bake time do you use to make your muffins? Mine looked a bit darker, your minis looked golden!

    Reply
    • anita | wild thistle kitchen says

      April 23, 2025 at 11:30 am

      Hi Tracy! I'm glad you like the flavor. Yes, 20-25 minutes at 350 is pretty standard for banana muffins. I think the minis took about 15 minutes.

      Reply
  4. Julia says

    January 27, 2025 at 10:32 pm

    I want to make this recipe but don’t have enough honey on hand. Can I substitute the honey with something else?

    Reply
    • anita | wild thistle kitchen says

      January 28, 2025 at 8:13 am

      Hi Julia! You can do a combination of honey and another sweetener like white or brown sugar or maple syrup. Or use another sweetener for the full amount of honey.

      Reply
  5. karen prunick says

    January 19, 2025 at 2:31 pm

    I made this today. It turned out great!! I used a Vietnamese cinnamon which gave it an unexpected slight heat. Texture was perfect but might use a different cinnamon next time.

    Reply
  6. Kim says

    December 01, 2024 at 3:37 pm

    Such a great recipe! what's the best way to store leftovers (of there are any!)

    Reply
    • anita | wild thistle kitchen says

      December 02, 2024 at 8:51 am

      Hi Kim! I'm so happy you enjoyed this recipe! Just store it in something airtight to keep it moist such as a ziploc bag or tupperware with lid. It does not last long around here either! Thanks again for this lovely feedback and 5 stars! xo - Anita

      Reply
  7. Tessa says

    October 01, 2024 at 12:59 pm

    Is the butter in this recipe salted or unsalted?

    Thanks!

    Reply
    • anita | wild thistle kitchen says

      October 01, 2024 at 1:17 pm

      Hi there! You an use either - I almost always use salted but it will work with either one.

      Reply
  8. Kathy says

    August 10, 2024 at 11:12 pm

    Amazing moist, simple ingredients, sourdough discard banana bread! Thank you for sharing. I’ve tried so many banana bread recipes but THIS recipe leaves me wanting to finish the loaf all in one sitting, it’s so delicious and moist.

    Reply
  9. Beth says

    July 03, 2024 at 10:39 am

    I’m just curious why you need to butter your pan if you’re using parchment paper?

    Reply
    • anita | wild thistle kitchen says

      July 03, 2024 at 10:55 am

      Hi there. I just like to be really careful as some of the batter will still come in contact with the pan and depending on the type of pan you're using it can stick.

      Reply
      • Beth says

        July 04, 2024 at 1:50 pm

        That makes sense. Thank you for your response. Starting that recipe right now.

  10. Pamela says

    May 27, 2024 at 7:41 pm

    Made this recipe tonight, so easy! Best and most beautiful banana bread I have ever made!

    Reply
    • anita | wild thistle kitchen says

      May 28, 2024 at 6:37 am

      That is the best news! Thank you for trying my recipe and coming back to leave this wonderful feedback! I'm so glad you love it!! xo - Anita

      Reply
  11. Beverly says

    October 04, 2023 at 11:18 am

    I made this because I wanted a recipe with less sugar and I am so glad I did. I used my un-fed sourdough starter discard that had been in the refrigerator for about a week. Great instructions and the bread turned out perfectly. Soft but strong enough to toast. This will be my go-to banana bread recipe from now on. Thanks a bunch.

    Reply

Welcome!

Hi there! My name is Anita - welcome to Wild Thistle Kitchen - where I share lots of sourdough and sourdough discard recipes as well as seasonal sweet and savory comfort food and baking recipes.

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