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Banana Chocolate Marble Muffins

Moist banana muffins with swirls of chocolate throughout.
Prep Time10 mins
Cook Time20 mins
Total Time35 mins
Course: Breakfast
Cuisine: American
Keyword: Muffin
Servings: 12 muffins


  • 3/4 C light brown sugar
  • 1/4 C unsalted butter softened
  • 1 large egg
  • 1/2 tsp vanilla extract
  • 2 C all purpose flour
  • 1/4 tsp baking soda
  • 1 tsp baking powder
  • 1/4 tsp salt
  • 6 Tbsp sour cream
  • 2 bananas mashed
  • 3 oz bittersweet chocolate


  • Preheat oven to 350°F. Prepare a muffin pan with liners.
  • Cream butter and sugar together. Mix in egg and vanilla until just combined. Add dry ingredients, followed by sour cream and banana. Mix until smooth. Remove 1/2C banana batter, mixing with 3oz melted chocolate.
  • To each muffin liner, add 1 medium scoop of banana batter, 1/2 small scoop chocolate batter, 1/2 scoop medium banana batter and finally 1/2 small scoop chocolate batter. Swirl gently with a toothpick. Bake for 20-25 minutes or until a toothpick inserted comes out clean. Cool in pan for 5 minutes, transfer to a wire rack to cool completely. Store in an airtight container.


An original recipe from Baked by Rachel