Butter sour cream banana bread combines melted butter, ripe mashed bananas, and thick sour cream in one tender loaf.
This version keeps the nuts optional and uses a measured quantity of banana rather than relying on fruit count alone. A 9-by-5-inch metal loaf pan gives the batter room to bake through.
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Why This Recipe Works
The sour cream in butter sour cream banana bread contributes moisture while the eggs help support the crumb. Measuring the fruit matters: three bananas can vary considerably in size. The recipe uses 1 cup of mashed banana so the small flour quantity is not overwhelmed by an unpredictable volume of wet fruit. There are many reasons to make butter sour cream banana bread. Second, it’s simple to prepare and requires basic ingredients that you probably have on hand. Lastly, banana bread can be customized with your favorite add-ins like nuts or chocolate chips.
Ingredients for Butter Sour Cream Banana Bread
For butter sour cream banana bread, measure mashed banana after peeling and mashing. Use full-fat sour cream and melted butter that has cooled to lukewarm. Spoon the flour into its measuring cup and level it instead of packing it down. The chopped nuts are an addition to the batter, not a replacement for flour; leaving them out does not require another ingredient.
Main Ingredients
- 1 cup mashed ripe banana (Measured after mashing)
- 1/2 cup unsalted butter, melted
- 1/2 cup sour cream (Can substitute with yogurt for more moisture.)
- 1 cup sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- 1 teaspoon baking soda
- 1/4 teaspoon salt
- 1 1/2 cups all-purpose flour (Gluten-free flour can be used as a substitute.)
- 1/2 cup chopped nuts (optional) (Add if desired.)
How to Make Butter Sour Cream Banana Bread
Heat a conventional oven to 350°F and grease a metal loaf pan measuring 9 by 5 inches. Mash and measure the banana before combining it with the cooled butter. Whisk in sour cream, sugar, eggs, and vanilla until the wet mixture looks even. Separately blend flour with baking soda and salt, then fold the two mixtures together without prolonged beating. Add optional nuts at the end.
Spread the batter into the pan and start checking around 60 minutes. Butter sour cream banana bread may take 60–70 minutes or longer depending on the pan and oven. A tester inserted into the deepest center should have moist crumbs rather than a wet batter coating. If the surface becomes dark while the center remains wet, shield it loosely with foil and keep baking. Let the loaf stand in its pan for 15 minutes, then release it onto a rack for at least 45 more minutes.
How to Serve
Slice butter sour cream banana bread after it has cooled enough for the crumb to set. Ten medium slices make a useful guide, although thickness is a matter of preference. Serve plain, lightly toasted, or with a small amount of softened butter. A serrated knife makes cleaner slices than pressing down with a blunt blade. butter sour cream banana bread can be served warm or at room temperature. For an extra special touch, consider spreading a bit of butter or cream cheese on each slice.
Storage
Let butter sour cream banana bread cool fully before wrapping, because trapped steam makes the outside sticky. Store tightly covered at cool room temperature for up to 2 days, or refrigerate up to 4 days. Freeze individually wrapped slices for up to 2 months for best quality; thaw a portion before briefly warming it.
The FDA safe food handling guidance covers refrigeration and temperature checks for perishable foods.
Tips and Variations
For an evenly baked butter sour cream banana bread, use the stated pan size and avoid adding extra fruit. Weighing flour can improve consistency, but use the weight printed on your flour brand when converting the stated cup quantity. Fold until dry streaks disappear; continuing to beat after that can make the loaf tougher. If using nuts, chop them into small pieces rather than leaving large chunks that tear the crumb. To ensure your banana bread is as moist as possible, make sure to use very ripe bananas. The riper the bananas, the sweeter and moister your bread will be. You can also add yogurt or even more sour cream for additional moisture. Many people enjoy adding different ingredients to their banana bread. You can mix in chocolate chips, raisins, or even a swirl of peanut butter for a tasty twist.
Frequently Asked Questions
How much banana goes into butter sour cream banana bread?
Use 1 cup of mashed ripe banana, measured after mashing. The number of bananas needed will depend on their size.
Can I leave out the walnuts?
Yes. They are optional and can be omitted without replacing their volume with additional flour.
Why is the loaf wet in the middle?
It may need longer baking, or the batter may contain too much banana. Test the center rather than relying only on a brown top.
Can I use a smaller loaf pan?
A smaller pan changes the batter depth and baking time. Use the specified 9-by-5-inch metal pan for this schedule.
When should I cut the loaf?
Wait until it has cooled on a rack. Cutting while very hot compresses the crumb and makes the inside appear gummy.
More Recipes to Try
- One Bowl Banana Bread with Melted Butter
- Brown Butter Banana Loaf with Buttermilk and Brown Sugar
- Banana Chocolate Chip Muffins with Melted Butter
- Blueberry Banana Bread
Butter Sour Cream Banana Bread with Optional Walnuts
Ingredients
Main Ingredients
- 1 cup mashed ripe banana Measured after mashing
- 1/2 cup unsalted butter, melted
- 1/2 cup sour cream Can substitute with yogurt for more moisture.
- 1 cup sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- 1 teaspoon baking soda
- 1/4 teaspoon salt
- 1 1/2 cups all-purpose flour Gluten-free flour can be used as a substitute.
- 1/2 cup chopped nuts (optional) Add if desired.
Instructions
- Set the oven at 350°F and grease a 9×5-inch metal loaf tin. Measure one cup of mashed banana.
- Combine the cooled melted butter with banana, sour cream, sugar, eggs, and vanilla.
- Blend salt and baking soda into the flour. Fold this dry blend into the wet bowl briefly, adding optional walnuts last.
- Transfer batter to the prepared tin. Bake approximately 60–70 minutes, extending until a central skewer shows crumbs without liquid batter.
- Rest in the tin 15 minutes, then unmold and cool on a rack at least 45 minutes before slicing.
