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Banana Nut Sourdough Muffins

Fluffy banana muffins made with sourdough discard! This classic muffin recipe is moist and full of banana flavor and has a hint of yummy cinnamon. You’ll love the flavor sourdough adds to these muffins!

  • Author: Heather Thomas, That Bread Lady
  • Prep Time: 20 minutes
  • Cook Time: 25 minutes
  • Total Time: 45 minutes
  • Yield: 1 dozen muffins 1x
  • Category: dessert, brunch
  • Method: baking
  • Cuisine: American

Ingredients

Scale
  • 1/2 cup (113g) unsalted butter, room temperature
  • 1/2 cup (107g) brown sugar, packed (light or dark)
  • 1/4 cup (50g) granulated sugar
  • 2 eggs, room temperature
  • 1 teaspoon pure vanilla extract
  • 1 cup (220g) mashed ripe bananas (about 2 medium bananas)
  • 1/2 cup (113g) sourdough starter, ripe or discard
  • 1/4 cup (57g) milk, room temperature (use either 1% or 2% milk)
  • 1 & 2/3 cup (210g) all-purpose flour
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1 teaspoon ground cinnamon

Optional: 1/2 cup chopped nuts (I prefer walnuts, but you can use what you like)

Instructions

  1. Preheat oven to 350°F. 
  2. Prepare muffin tins with liners.
  3. In the bowl of an electric mixer, cream together the butter, brown sugar and granulated sugar until smooth, about 1-2 minutes.
  4. Add the eggs and mix until combined.
  5. Add the vanilla, mashed bananas, sourdough discard and milk and mix until combined. 
  6. In a separate bowl, combine the flour, baking soda, baking powder, salt and cinnamon. Add the flour mixture to the wet mixture and combine until all ingredients are fully incorporated (you may need to stop and scrape the mixer bowl half way through to make sure there are no lumps of unmixed ingredients). Avoid over mixing as this will make the muffins too dense. If you are adding chopped nuts, stir them into the mixed batter.
  7. Scoop the muffin batter into each prepared muffin liner, filling about 2/3 full. 
  8. Bake muffins for 22-25 minutes or until a toothpick inserted comes out clean with only a few moist crumbs.
  9. Let muffins cool in the pan for 10 minutes before removing to cool completely on a wire cooling rack.
  10. Enjoy!

Notes

  • Using sourdough starter creates an amazing, more complex flavor in baked goods. If you don’t have a sourdough starter, you can create one with my 7 day guide HERE.
  • You can replace the starter in the muffin recipe with 1/2 cup sour cream.

Keywords: sourdough banana muffins, discard recipes