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Home » MUFFINS AND CAKES

Banana Bread Muffins with Sour Cream

Published: Feb 5, 2026 by Meymi. This post may contain affiliate links.

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These banana bread muffins with sour cream are deliciously soft, moist and light.  It takes almost 30 minutes from preparing to baking these easy muffins!

Banana bread muffins with sour cream on a wire rack.

Today’s recipe is perfect for you if you enjoy my simple banana bread recipe and one bowl chocolate chip banana bread recipe.  These muffins are as moist as them but also lighter which is perfect for breakfast. Below I share the ingredients and what makes them moist and light.

Banana bread muffins cut in half with banana in the background.

Ingredients you’ll need

You can find the exact quantities at the bottom of my post, in the recipe card.

Ingredients for banana bread muffins with sour cream.
  • Flour-I use all purpose flour for structure.
  • Baking powder and baking soda-In my banana bread recipes, I use only baking soda as a leavener.  When I tried it that way, those muffins were delicious but not light.  In today’s recipe, I cut back a little from baking soda and add baking powder as well.  They become very light.  This is how I use it in my banana oatmeal chocolate chip muffins too.
  • Cinnamon-It goes very well with banana.
  • Vanilla extract-I use pure vanilla extract.  It adds a nice flavor.
  • Salt-It brings the flavors out but if you don’t consume it, you can leave it out.  
  • Eggs-They give moisture but also give structure as well. 
  • Sugar-I use granulated sugar just as needed which makes these muffins light as well.
  • Butter-I use melted butter for moisture. It is unsalted.
  • Sour cream-I use full fat. It gives moisture and creates light muffins.
  • Walnuts-I add chopped walnuts to the batter.  They complement these muffins so well.
  • Bananas-I use 2 large ripe bananas or 4 small ones.  You can think it as 1 cup mashed bananas or just a little more(it can be 1 cup plus 1 to 2 tablespoons).   

Step by step Instructions

First I place flour, baking soda, baking powder, salt and cinnamon in a medium bowl and stir with a whisk. 

Collage that shows mixing the flour, baking soda, baking powder, salt and cinnamon with a whisk.

I place the bananas in a large bowl and then mash them with a pastry cutter but you can use a fork too.  When I am using a fork, I find slicing the bananas thick first and then mashing it easier.

Mashed banana with a pastry cutter.

Next I mix in the melted butter, sour cream and sugar.

 Collage that shows mixing in  melted butter, sour cream and sugar.

I stir in the eggs and then vanilla extract.

Collage that shows mixing in the eggs and vanilla extract.

I add the flour in 2 batches. First I start with a whisk and then continue with a spatula. Once combined, I add the walnuts and stir with a spatula. 

Collage that shows stirring in the flour and walnuts.

FinalIy, I fill each 12 cup muffin pan to the top with batter.

Collage that shows pouring the batter to the muffins cups.

I bake for 18-20 minutes or until they are golden brown at the edges and a toothpick that is inserted into the center comes out clean. Once I remove the muffins from the oven, I let them cool 10 minutes in the baking pan before transferring them on a wire rack.

I hope you enjoy these easy banana bread muffins with sour cream!

Banana bread muffins in a muffin tin.
How to store

You can store these moist banana muffins in an airtight container at room temperature up to 2 days, in the fridge for up to a week and in the freezer for up to 2 months.

I love hearing from you!  If you try this recipe or my other recipes please leave a comment and give a star rating!

Banana bread muffins on a wire rack.

Banana Bread Muffins with Sour Cream

These banana bread muffins are light, soft and moist.  They are delicious and easy to make. No mixer needed!
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Print Pin Rate
Course: Breakfast
Prep Time: 10 minutes minutes
Cook Time: 20 minutes minutes
Total Time: 30 minutes minutes
Servings: 12 muffins
Calories: 241kcal
Author: Meymi

Ingredients

  • 210 grams (1 and ½ cup) all-purpose flour, dip and sweep
  • ½ teaspoon baking soda
  • 1 teaspoon baking powder
  • ¼ teaspoon salt (optional)
  • 1 teaspoon ground cinnamon
  • 2 large (or 4 small / 270 grams peeled/ 1 cup to 1 cup and 2 tablespoons mashed) ripe bananas
  • 75 grams (⅓ cup) butter,* melted
  • 120 grams (½ cup) sour cream, room temperature
  • 105 grams (½ cup) granulated sugar
  • 2 large eggs, room temperature
  • 1 teaspoon pure vanilla extract
  • 120 grams (1 cup) walnuts, chopped into pieces
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Instructions

  • Preheat the oven to 350°F(177°C). Line 12 non-stick standard paper liners into regular size 12 cup-cupcake/muffin pan and set aside.
  • Place the flour, baking soda, baking powder, cinnamon and salt(if you are using) in a medium bowl and stir with a whisk. Set aside.
  • Place the bananas in a large bowl and mash with a pastry cutter and a fork. If you are using a fork you can slice the bananas first, it will make them easier to mash.           
  • Mix in the melted butter, sour cream and sugar and mix with a whisk.
  • Once combined, add the eggs and stir with a whisk. Mix in the vanilla.
  • Add the flour in 2 batches. First you can use a whisk and then continue with a spoon/spatula. Stir in the walnuts.
  • Fill the 12 muffin cups to the top with batter and bake for 18-20 minutes or until they are golden brown at the edges and a toothpick comes out clean that is inserted in the center of the muffins. Keep the muffins in the pan for 10 minutes before transferring them on a wire rack to completely cool.

Notes

*I melt the butter halfway in a small pan over medium heat.   Then I remove the pan from the heat and stir until it is all melted. This way the butter cools fast.

Nutrition

Calories: 241kcal | Carbohydrates: 24g | Protein: 5g | Fat: 15g | Saturated Fat: 5g | Polyunsaturated Fat: 5g | Monounsaturated Fat: 3g | Trans Fat: 0.2g | Cholesterol: 50mg | Sodium: 185mg | Potassium: 90mg | Fiber: 1g | Sugar: 9g | Vitamin A: 266IU | Vitamin C: 0.2mg | Calcium: 50mg | Iron: 1mg
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