This sourdough banana nut bread is a delightful twist on the classic banana bread, incorporating the tangy flavor of a sourdough starter. The combination of ripe bananas, chopped nuts, and sourdough creates a moist and flavorful loaf that's perfect for breakfast or a snack.
If you don't already have a sourdough starter at home, you'll need to either make one or purchase it from a store. This ingredient is essential for the unique flavor and texture of the bread. Additionally, make sure you have ripe bananas on hand, as they provide the necessary sweetness and moisture.

Ingredients For Sourdough Banana Nut Bread
Sourdough starter: A fermented mixture of flour and water that adds a tangy flavor and helps the bread rise.
Ripe bananas: Provide natural sweetness and moisture to the bread.
Melted butter: Adds richness and moisture to the bread.
Sugar: Sweetens the bread and helps with browning.
Beaten eggs: Provide structure and help bind the ingredients together.
Vanilla extract: Adds a warm, sweet flavor to the bread.
Baking soda: Helps the bread rise and become fluffy.
Salt: Enhances the flavors of the other ingredients.
All-purpose flour: Provides structure and texture to the bread.
Chopped nuts: Add crunch and a nutty flavor to the bread.
Technique Tip for This Recipe
To achieve a moist and flavorful sourdough banana nut bread, ensure your bananas are fully ripe with plenty of brown spots. This not only enhances the sweetness but also makes them easier to mash and incorporate into the batter. Additionally, when folding in the chopped nuts, be gentle to avoid overmixing, which can result in a dense texture. For an extra layer of flavor, lightly toast the walnuts or pecans before adding them to the batter.
Suggested Side Dishes
Alternative Ingredients
fed and active sourdough starter - Substitute with Greek yogurt: Greek yogurt provides a similar tangy flavor and moisture to the bread.
mashed ripe bananas - Substitute with applesauce: Applesauce can provide the necessary moisture and sweetness, though the banana flavor will be missing.
melted butter - Substitute with coconut oil: Coconut oil offers a similar fat content and moisture, with a slight coconut flavor.
sugar - Substitute with honey: Honey adds natural sweetness and moisture, though it will slightly alter the flavor.
beaten eggs - Substitute with flax eggs: Flax eggs (1 tablespoon ground flaxseed + 3 tablespoon water per egg) provide a similar binding effect for a vegan option.
vanilla extract - Substitute with almond extract: Almond extract offers a different but complementary flavor profile.
baking soda - Substitute with baking powder: Use 3 times the amount of baking powder, but note that it may slightly change the texture.
salt - Substitute with sea salt: Sea salt provides a similar salty flavor with a slightly different mineral content.
all-purpose flour - Substitute with whole wheat flour: Whole wheat flour adds more fiber and nutrients, though it may make the bread denser.
walnuts or pecans - Substitute with sunflower seeds: Sunflower seeds provide a similar crunch and nutty flavor without the tree nut allergens.
Other Alternative Recipes Similar to This Bread
How To Store / Freeze This Bread
To keep your sourdough banana nut bread fresh, wrap it tightly in plastic wrap or aluminum foil. This will help retain its moisture and prevent it from drying out.
For short-term storage, place the wrapped bread in an airtight container or a resealable plastic bag. Store it at room temperature for up to 3 days.
If you want to extend its freshness, you can store the bread in the refrigerator. Make sure it is well-wrapped to prevent it from absorbing any odors. It will stay fresh for up to a week.
For longer storage, consider freezing the banana nut bread. First, wrap the loaf tightly in plastic wrap, then in a layer of aluminum foil. This double wrapping helps protect it from freezer burn.
Alternatively, you can slice the bread before freezing. Wrap each slice individually in plastic wrap and place them in a freezer-safe bag. This way, you can easily grab a slice or two without defrosting the entire loaf.
When you're ready to enjoy your frozen bread, let it thaw at room temperature while still wrapped. This helps retain its moisture. For a quicker option, you can microwave individual slices for about 20-30 seconds.
To refresh the texture of the bread, you can warm it in the oven at 350°F (175°C) for about 10 minutes. This will bring back that freshly-baked feel.
If you prefer a toasted slice, use a toaster or toaster oven to heat it up. The nuts will get a delightful crunch, and the banana flavor will be even more pronounced.
Remember to label your freezer bags with the date you stored the bread. This will help you keep track of its freshness and ensure you enjoy it at its best.
How To Reheat Leftovers
Oven Method:
- Preheat your oven to 350°F (175°C).
- Wrap the sourdough banana nut bread in aluminum foil to prevent it from drying out.
- Place the wrapped bread on a baking sheet.
- Heat in the oven for about 10-15 minutes, or until warmed through.
- Remove from the oven, unwrap, and enjoy the warm, moist banana bread.
Microwave Method:
- Slice the banana nut bread into individual servings.
- Place a slice on a microwave-safe plate.
- Cover the slice with a damp paper towel to retain moisture.
- Microwave on medium power for 20-30 seconds.
- Check the warmth and microwave for an additional 10 seconds if needed.
Toaster Oven Method:
- Preheat your toaster oven to 350°F (175°C).
- Place the sourdough banana nut bread slices directly on the toaster oven rack or on a baking sheet.
- Heat for about 5-7 minutes, checking frequently to avoid over-toasting.
- Remove and let cool slightly before serving.
Stovetop Method:
- Heat a non-stick skillet over medium-low heat.
- Lightly butter both sides of the banana nut bread slices.
- Place the slices in the skillet and heat for 2-3 minutes on each side, or until warmed through and slightly crispy.
- Serve immediately for a delightful, slightly toasted treat.
Best Tools for This Recipe
Oven: Used to bake the bread at the specified temperature of 350°F (175°C).
Loaf pan: The container in which the batter is poured and baked.
Mixing bowl: A large bowl used to combine the sourdough starter, bananas, butter, sugar, eggs, and vanilla extract.
Separate bowl: Used to whisk together the baking soda, salt, and flour before combining with the wet ingredients.
Whisk: Used to mix the dry ingredients together evenly.
Spatula: Useful for folding in the chopped nuts and scraping down the sides of the mixing bowl.
Measuring cups: Used to measure out the ingredients such as flour, sugar, and sourdough starter.
Measuring spoons: Used to measure smaller quantities like baking soda, salt, and vanilla extract.
Toothpick: Used to check if the bread is fully baked by inserting it into the center and seeing if it comes out clean.
Wire rack: Used to cool the bread completely after it has been baked and partially cooled in the loaf pan.
How to Save Time on Making This Recipe
Prepare ingredients ahead: Measure and prepare all ingredients like bananas, butter, and nuts in advance to streamline the process.
Use one bowl: Mix the wet ingredients in one bowl and gradually add the dry ingredients to save on cleanup time.
Preheat the oven early: Start preheating your oven as you begin preparing the batter to ensure it’s ready when you are.
Line the pan: Use parchment paper to line the loaf pan for easy removal and less cleanup.
Chop nuts in bulk: Chop extra nuts and store them for future recipes to save time later.

Sourdough Banana Nut Bread
Ingredients
Main Ingredients
- 1 cup Sourdough Starter fed and active
- 3 Ripe Bananas mashed
- ½ cup Butter melted
- 1 cup Sugar
- 2 Eggs beaten
- 1 teaspoon Vanilla Extract
- 1 teaspoon Baking Soda
- ½ teaspoon Salt
- 1 ½ cups All-Purpose Flour
- 1 cup Chopped Nuts walnuts or pecans
Instructions
- Preheat your oven to 350°F (175°C). Grease a loaf pan.
- In a large mixing bowl, combine the sourdough starter, mashed bananas, melted butter, and sugar. Mix well.
- Add the beaten eggs and vanilla extract to the mixture. Stir until combined.
- In a separate bowl, whisk together the baking soda, salt, and flour. Gradually add the dry ingredients to the wet mixture, stirring until just combined.
- Fold in the chopped nuts.
- Pour the batter into the prepared loaf pan. Bake for 60 minutes, or until a toothpick inserted into the center comes out clean.
- Allow the bread to cool in the pan for 10 minutes before transferring to a wire rack to cool completely.
Nutritional Value
Keywords
Suggested Appetizers and Main Courses for This Recipe
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