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Baked sourdough banana muffins with banana slices on top, on a white plate.

Sourdough Banana Muffins Recipe

Bitty
Easy sourdough banana muffins! Use your discard for a flavorful, moist treat. Perfect for breakfast or snack.
Prep Time 15 minutes
Cook Time 20 minutes
Total Time 35 minutes
Course Main Course
Cuisine American
Servings 12 muffins
Calories 180 kcal

Equipment

  • Mixing bowls (one large for wet ingredients, one medium for dry)
  • Whisk or fork (for mixing dry ingredients and mashing bananas)
  • Spatula or wooden spoon (for combining batter)
  • Muffin tin (standard 12-cup size)
  • Paper liners or cooking spray (to prevent sticking)
  • Measuring cups and spoonsOven (preheated to the right temperature)
  • Cooling rack (optional, but helps with even cooling)

Ingredients
  

  • 1 cup 240g sourdough discard, unfed
  • 3 medium overripe bananas mashed
  • 2 large eggs room temperature
  • 1/2 cup 120ml oil (avocado, canola, or melted coconut oil)
  • 1/2 cup 100g granulated sugar
  • 1/4 cup 50g packed brown sugar
  • 1 teaspoon vanilla extract
  • 1 1/2 cups 180g all-purpose flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • Optional: 1 cup chocolate chips 1/2 cup chopped nuts, spices

Instructions
 

  • Preheat oven to 425°F (220°C). Line a 12-cup muffin tin with paper liners.
  • In a large bowl, mash the bananas.
  • Add the sourdough discard, eggs, oil, sugars, and vanilla extract. Whisk until combined.
  • In a separate bowl, whisk together the flour, baking powder, baking soda, and salt.
  • Gently fold the dry ingredients into the wet ingredients until just combined. Do not overmix.
    Sourdough banana muffin ingredients (bananas, sugar, discard) in a glass bowl.
  • Fold in any optional add-ins.
  • Divide the batter among the muffin cups.
    Adding chopped walnuts to sourdough banana muffin batter in a glass bowl.
  • Bake for 5 minutes at 425°F (220°C), then reduce the temperature to 375°F (190°C) and bake for 13-15 minutes more.
    Unbaked sourdough banana muffin batter with chocolate chips in a lined muffin tin.
  • Let cool in the muffin tin for a few minutes before transferring to a wire rack.

Notes

For gluten-free muffins, use a 1:1 gluten-free baking blend.
For vegan muffins, replace eggs with flax eggs or applesauce.
Store at room temperature for up to 3 days or freeze for up to 3 months.
Keyword sourdough banana muffins