Go Back
+ servings
sourdough banana muffins in a muffin tin on a cream and blue stripped towel

Sourdough Banana Muffins

These soft and fluffy sourdough banana muffins have the perfect balance of sweet banana flavor
Course Breakfast, Snack
Cuisine American
Keyword banana bread, Long fermented banana bread, Sourdough Banana Bread
Prep Time 15 minutes
Cook Time 20 minutes
Fermentation time (optional) 12 hours
Servings 12 muffins
Calories 247kcal
Author Amy


  • Stand mixer
  • Measuring cups and spoons


  • 1/2 cup sourdough starter active or discard
  • 2 cups all purpose flour
  • 1/2 cup melted butter
  • 3/4 cup honey
  • 1 cup mashed banana about 2 large bananas
  • 2 eggs
  • 1/2 tsp salt
  • 1 tsp baking soda
  • 1/2 tsp baking powder
  • 1 tsp vanilla
  • 1.5 tsp cinnamon optional


  • In a large bowl, mix together sourdough starter, honey, melted butter, and flour. 
    adding sourdough starter to a stand mixer
  • Cover and allow to ferment for 12-24 hours (optional).
    bowl covered in a towel to ferment the muffin batter
  • After the muffin batter has fermented, preheat the oven to 350, line or grease the muffin tins.
  • To the batter, add mashed banana, eggs, vanilla, salt, baking soda and baking powder.
    adding egg to muffin batter
  • Using the paddle attachment on the stand mixer, mix together ingredients on low to medium speed until everything is combined well.
    sourdough banana muffin batter in a stand mixer
  • Pour into muffin tins and bake for 18-25 minutes, or until they start to turn golden brown. They are done when a toothpick or knife inserted into the middle of the muffin comes out clean. 
    women using a ice cream scoop to pour muffin batter into a muffin tin


  • If you are new to sourdough you can find how to make a super easy and no fail sourdough starter here.
  • The dough will be really thick after fermentation. This is totally normal.
  • Sourdough can be fickle. Your outcome may depend on how hydrated your starter is.


Serving: 1slice | Calories: 247kcal | Carbohydrates: 40g | Protein: 4g | Fat: 9g | Saturated Fat: 5g | Trans Fat: 1g | Cholesterol: 48mg | Sodium: 268mg | Potassium: 131mg | Fiber: 1g | Sugar: 20g | Vitamin A: 289IU | Vitamin C: 2mg | Calcium: 22mg | Iron: 1mg