Have a few overripe bananas on your counter? These Sourdough Discard Banana Muffins are a delicious breakfast or brunch option that puts those bananas to great use. They’re buttery with a crunchy turbinado sugar topping, naturally sweet, and full of banana flavor—perfect for sharing with family.

Why you’ll love this recipe
- A smart way to use up your sourdough discard, though you can substitute active starter if you prefer.
- Perfect for overripe bananas—they add moisture and concentrated flavor.
- An easy recipe that comes together quickly and bakes in under an hour.
- Highly adaptable: add oats, chocolate chips, nuts, or blueberries to personalize the muffins.
- Freezes well, so you can store extras for busy mornings.
Ingredients
These muffins require a short list of everyday ingredients. Use overripe bananas for best results.

- Sourdough discard: Use unfed discard at room temperature. This recipe is written for a 1:1 discard (equal parts flour and water). If your starter uses a different hydration, you may need to adjust liquids.
- Bananas: Overripe bananas are ideal—mash them and leave a few small chunks if you like texture.
Full ingredient amounts are in the recipe card below.
Substitutions & Variations
Customize these muffins to suit your taste:
- Active starter: Replace 200g discard with 200g active starter; muffins may rise a bit more.
- Oats: Swap the turbinado sugar topping for old-fashioned oats for a heartier texture.
- Nuts: Fold in ¼ cup chopped walnuts or almonds for crunch.
- Chocolate chips: Add ½ cup for a sweeter treat.
- Blueberry banana: Reduce mashed banana to about ½ cup (1 banana) and fold in ½ cup fresh blueberries.
How to Make Sourdough Discard Banana Muffins
These muffins come together in a few straightforward steps. The complete recipe is below the instructions.

- Step 1: Cream softened butter and granulated sugar until light and fluffy, about 2 minutes.

- Step 2: Add the egg and vanilla extract, mixing until combined.

- Step 3: Whisk together the dry ingredients in a medium bowl (flour, cinnamon, baking powder, baking soda, salt, nutmeg).

- Step 4: Mix in the sourdough discard and mashed bananas to the butter mixture, then add the dry ingredients. Stir until evenly combined to form a uniform batter.

- Step 5: Line a 12-cup muffin pan and fill each liner about 2/3 full with batter. A cookie scoop makes this easy.

- Step 6: Sprinkle turbinado sugar on top for a crunchy finish and bake 30–35 minutes, until golden and a toothpick comes out clean.
- Step 7: Cool in the pan for a few minutes, then transfer to a rack to cool completely or serve warm.
Expert Baking Tips
- Use a cookie scoop to portion batter consistently for even baking.
- Line the muffin cups with liners or grease the pan well to prevent sticking.
- Muffins are done when they’re golden brown and a toothpick inserted in the center comes out clean.
- Let muffins cool a few minutes before slicing or spreading butter—this helps them hold together.
Storage
Room temperature: Store muffins in an airtight container for up to 3 days. Reheat for 15–30 seconds in the microwave to refresh.
Freezer: Once fully cooled, freeze muffins in an airtight container or bag for up to 3 months. Thaw at room temperature and reheat 30–60 seconds in the microwave.
Recipe FAQs
Liners are recommended to make removal and cleanup easier. If you skip liners, grease the muffin cups well.
If muffins stick, let them cool fully; they usually release from the liners once cooled.
More Sourdough Discard Breakfast Recipes
-
Sourdough Cranberry Orange Muffins
-
Sourdough Sweet Potato Waffles
-
Sourdough Discard Scones (Base Recipe)
-
Sourdough Discard Blueberry Muffins
If you try these Sourdough Discard Banana Muffins, please leave a star rating and a comment below to share how they turned out. Happy baking!

Sourdough Discard Banana Muffins
Jessica Vogl
Equipment
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Kitchen scale
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12-cup muffin pan
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Parchment paper or muffin liners
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Cookie scoop (optional)
Ingredients
- ½ cup unsalted butter, softened
- 1 ¼ cups granulated sugar
- 1 egg, room temperature
- 2 teaspoons vanilla extract
- 1 ½ cups all-purpose flour
- 1 ½ teaspoons ground cinnamon
- 1 ½ teaspoons baking powder
- ½ teaspoon baking soda
- ½ teaspoon kosher salt
- ¼ teaspoon nutmeg
- 200 grams (about ¾ cup) sourdough discard, unfed and at room temperature
- 1 cup mashed bananas (about 2 medium bananas)
- 1 Tablespoon turbinado sugar for topping
Instructions
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Preheat the oven to 375°F and line a 12-cup muffin pan with liners. Set aside.
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Whisk together flour, cinnamon, baking powder, baking soda, salt, and nutmeg in a bowl. Set aside.
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In a large bowl, cream the softened butter and granulated sugar until light and fluffy, 2–3 minutes. Add the egg and vanilla and mix to combine.
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Stir in the sourdough discard and mashed bananas. Add the dry ingredients and mix until just combined with no dry spots.
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Fill each lined muffin cup about ⅔ full using a spoon or cookie scoop. Sprinkle turbinado sugar on top.
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Bake 30–35 minutes until lightly golden and a toothpick comes out clean. Cool in the pan for 10 minutes, then transfer to a rack to finish cooling or serve warm.
Video
Nutrition
Carbohydrates: 42 g
Protein: 3 g
Fat: 8 g