Chocolate Sourdough Banana Muffins

Banana bread is a classic, tried and loved recipe to use your extra overripe bananas. I love banana bread (especially my sourdough discard banana bread) but sometimes, it’s nice to mix it up a little bit. My chocolate sourdough banana muffins are a decadent variation of banana bread that is perfect for any chocolate lover. 

there is a double chocolate banana muffin with a pat of butter on top. There are several more muffins in the background in a baking tin.

Why You Will Love these Chocolate Sourdough Muffins

These muffins were inspired by and adapted from my vegan chocolate banana muffins, which is a favorite recipe in my family. Although I wrote this recipe to include an egg, I have made them multiple times with a vegan egg substitute. This makes them a great recipe for any vegans, or anyone who is egg-free or dairy-free.

You will also love how easy it is to grab one of these muffins when you are on the go. I prefer muffins for this reason. If you prefer classic banana bread, check out my sourdough discard banana bread muffins which have a delicious streusel topping. 

How to Use Sourdough Starter in Chocolate Banana Bread Muffins

I recommend using a starter that is fed with equal parts flour and water by weight. This is commonly referred to as 100% hydration.

You can also use active starter or sourdough starter discard straight from the fridge. 

Ingredients and Substitutions

double chocolate sourdough banana muffin ingredients in individual measuring cups and bowls.
  • Flour: You can use all purpose flour or bread flour in this recipe. You can also substitute a small amount of whole wheat flour for some of the white flour if desired by I wouldn’t use more than 1/3 cup or your muffins may turn out dry. 
  • Cocoa Powder: I recommend dutch-processed cocoa powder as it has a richer flavor than natural cocoa but you can use natural cocoa if desired. 
  • Baking Powder
  • Baking Soda
  • Salt
  • Bananas: You want very overripe bananas. I recommend almost completely black but you can use bananas that are heavily spotted brown as well. 
  • Sourdough Starter: Use active starter or sourdough discard. See notes above.
  • Oil: Any neutral flavored oil will work. I prefer avocado oil but canola oil or vegetable oil will work well too.
  • Sugar
  • Brown Sugar: You can use light or dark brown sugar. 
  • Egg: The egg is the only ingredient that makes these not vegan. If vegan, substitute with your favorite egg substitute. 
  • Vanilla Extract: I recommend pure vanilla extract rather than imitation vanilla but you can substitute this if desired. 
  • Chocolate Chips: I recommend dark chocolate or semi-sweet chocolate chips but you can also substitute peanut butter chips or nuts of your choice. 

How to Make

Step 1: Preheat the oven to 350F and prepare muffin pan.

Step 2: Whisk together the dry ingredients.

dry ingredients whisked together in small bowl for sourdough chocolate banana muffins.

Step 3: In a separate bowl, mash the banana.

mashed banana in bowl with fork.

Step 4: Add the remaining wet ingredients.

wet ingredients being mixed in large mixing bowl for banana chocolate sourdough muffins.

Step 5: Stir in the dry ingredients.

Step 6: Mix in the chocolate chips. 

sourdough banana double choccolate muffin batter in large mixing bowl being stirred with wooden spoon.

Step 7: Divide batter among the baking cups. Sprinkle with a few more chocolate chips.

unbaked sourdough banana muffins divided in cupcake liners in muffin tin and sprinkled with chocolate chips.

Step 8: Bake for 30 minutes. 

sourdough chocolate banana bread muffins in a muffin tin with garnishes including banana slices, butter and chocolate chips.

How to Store

Store these muffins in an airtight container, gallon storage ziplock bag, or on a plate wrapped with plastic wrap. I recommend storing these in the refrigerator and they are best when consumed within 5 days. 

You can also freeze these in a freezer safe bag. I recommend using within 3 months for best results. 

If you love chocolate and sourdough discard, check out some of our other decadent recipes:

there is a double chocolate banana muffin with a pat of butter on top. There are several more muffins in the background in a baking tin.

Chocolate Sourdough Banana Muffins

These chocolate sourdough muffins are a rich and decadent variation of classic banana muffins. Packed with dark chocolate chunks, these are the ultimate chocolate lover muffins.
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Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Course Breakfast, brunch, Dessert
Cuisine American
Servings 12
Calories 332 kcal

Ingredients
  

  • 1⅓ cup all purpose flour
  • cup cocoa powder
  • 1 teaspoon baking powder
  • ¼ teaspoon baking soda
  • ½ teaspoon salt
  • 3 medium overripe bananas
  • ½ cup sourdough starter active starter or sourdough discard will work
  • ½ cup vegetable oil or other neutral flavored oil
  • ½ cup sugar
  • ½ cup brown sugar packed
  • 1 egg or vegan egg substitute (see note)
  • 1 teaspoon vanilla extract
  • 1 cup semi-sweet or dark chocolate chips

Instructions
 

  • Preheat oven to 350℉.
  • In a medium bowl, whisk together the dry ingredients (flour, cocoa, baking powder, baking soda, and salt).
  • In a separate large mixing bowl, mash the bananas with a fork until almost smooth.
  • With a rubber spatula or wooden spoon, stir in the the sourdough starter, oil, sugar, brown sugar, egg, and vanilla extract.
  • Stir in the dry ingredients until almost combined.
  • Add the chocolate chips and stir until fully combined. Do not over-stir. It is okay if the batter has small lumps.
  • Use a spoon to divide the batter into a 12 cup muffin tin lined with cupcake liners.
  • Bake in preheated oven for 30 minutes or until a toothpick inserted into the center of a muffin comes out clean.
  • Allow to cool 20 minutes before serving.

Notes

To make a vegan egg: combine 1 tablespoon ground flax or chia seeds with 3 tablespoons water. Allow to sit 3-5 minutes before adding to recipe. 

Nutrition

Calories: 332kcalCarbohydrates: 46gProtein: 4gFat: 16gSaturated Fat: 5gPolyunsaturated Fat: 6gMonounsaturated Fat: 4gTrans Fat: 0.1gCholesterol: 15mgSodium: 166mgPotassium: 260mgFiber: 3gSugar: 26gVitamin A: 46IUVitamin C: 3mgCalcium: 45mgIron: 2mg
Keyword Banana, Dairy-free, Sourdough, Sourdough Discard
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