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Sourdough Banana Muffins

Sourdough Banana Muffins


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  • Author: Elina
  • Total Time: 40 minutes
  • Yield: 12 muffins
  • Diet: Vegetarian

Description

Soft and fluffy sourdough banana muffins made with ripe bananas and sourdough starter discard, topped with a buttery oat crumble. Perfect for breakfast or snacking, with options for quick bake or long fermentation.


Ingredients

Scale
  • 1/2 cup (113g) unsalted butter, melted
  • 1 cup (200g) dark brown sugar, packed
  • 3 ripe bananas (about 350g), mashed
  • 2 large eggs, room temperature
  • 1/2 cup (120g) sourdough starter discard
  • 1 teaspoon vanilla extract
  • 2 cups (250g) all-purpose flour
  • 1 teaspoon baking soda
  • 2 teaspoons baking powder
  • 1 teaspoon salt
  • For the crumble topping:
  • 1/2 cup (100g) brown sugar
  • 1/2 cup (45g) rolled oats
  • 2 tablespoons (16g) all-purpose flour
  • 4 tablespoons (56g) unsalted butter, softened
  • 1 teaspoon ground cinnamon


Instructions

  1. Preheat the oven to 350°F (175°C) and line a 12-cup muffin tin with paper liners or lightly grease it.
  2. In a large mixing bowl or stand mixer, beat the melted butter and brown sugar together for about 5 minutes until smooth and slightly fluffy.
  3. Add the eggs, mashed bananas, sourdough starter discard, and vanilla extract. Mix until fully combined.
  4. In a separate bowl, whisk together the flour, baking soda, baking powder, and salt.
  5. Gradually add the dry ingredients to the wet mixture in three additions, mixing just until incorporated. Do not overmix.
  6. Divide the batter evenly among the prepared muffin cups, filling each about 3/4 full.
  7. In a small bowl, combine brown sugar, oats, flour, softened butter, and cinnamon to form a crumbly topping. Sprinkle evenly over each muffin.
  8. Bake for 20–25 minutes, or until a toothpick inserted into the center comes out clean.
  9. Allow the muffins to cool in the pan for 5 minutes before transferring to a wire rack. Serve warm or at room temperature.

Notes

  • For a stronger tangy flavor, use sourdough discard that has not been recently fed.
  • For long fermentation, increase sourdough starter to 1 cup (240g) and mix with flour, butter, and sugar. Cover and ferment 6–24 hours before adding remaining ingredients.
  • Use very ripe bananas with brown spots for the sweetest flavor and moist texture.
  • Do not overmix the batter to keep the muffins light and fluffy.
  • Store in an airtight container at room temperature for up to 4 days or freeze for up to 3 months.
  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 muffin
  • Calories: 232 kcal
  • Sugar: 20 g
  • Sodium: 311 mg
  • Fat: 9 g
  • Saturated Fat: 5 g
  • Unsaturated Fat: 3.7 g
  • Trans Fat: 0.3 g
  • Carbohydrates: 37 g
  • Fiber: 1 g
  • Protein: 3 g
  • Cholesterol: 41 mg