This blueberry banana bread is a moist, tender bakery-style loaf made with ripe bananas, juicy blueberries, and a crisp sparkling sugar topping. It has the comforting flavor of classic banana bread with bursts of sweet blueberry in every slice, making it perfect for breakfast, brunch, snacking, or a simple homemade dessert.
The texture is what makes this blueberry banana bread special. Overripe bananas keep the crumb soft and rich, while sour cream, melted butter, and a little neutral oil help the loaf stay moist without becoming heavy. The blueberries add bright, jammy pockets throughout the bread, and the sparkling sugar on top gives it a beautiful bakery-style finish.
For the best flavor, I like using a mix of fresh blueberries and wild Maine blueberries. Wild blueberries are smaller, but they are packed with concentrated blueberry flavor. They also scatter nicely through the batter, so every bite has a little fruit. Fresh blueberries on top make the loaf look extra pretty once baked.
The crunchy topping is one of the easiest ways to make homemade banana bread feel like it came from a bakery. Sparkling sugar does not melt the same way regular sugar does, so it stays crisp and shiny after baking. If you prefer a softer top, you can leave it off. Turbinado sugar can also be used for a slightly crunchy, more caramel-like finish.
How to Make It
1
Start by whisking the mashed bananas with the sugars, eggs, melted butter, sour cream, oil, and vanilla. The wet mixture should look smooth, glossy, and fully combined before you add the dry ingredients. Room-temperature eggs and sour cream help the batter mix evenly.
2
Fold in the dry ingredients just until the flour is almost incorporated, then gently add the blueberries. The batter should be thick and slightly clumpy, with small pieces of banana and berries throughout. Avoid overmixing, which can make the loaf dense.
To help reduce color bleeding, especially when using frozen berries, toss the blueberries with a small spoonful of flour before folding them into the batter.
3
Transfer the batter to a parchment-lined loaf pan. Run a butter knife or offset spatula down the center of the batter to encourage a neat crack as it bakes. Sprinkle the top with sparkling sugar and a few extra blueberries for a bakery-style look.
If you prefer a softer crust, skip the sparkling sugar. For a slightly crunchy, sweeter topping, use Turbinado sugar instead.
4
Bake until the loaf is domed, golden, and cracked down the center. The most reliable way to check for doneness is with an instant-read thermometer; the center should register 200° to 205°F. Let the loaf cool before slicing so the crumb can set properly.
This blueberry banana bread freezes very well. Once the loaf is completely cool, slice it and wrap the pieces individually. Freeze the wrapped slices in an airtight container or freezer bag for about one month. When you want a slice, thaw it at room temperature or warm it gently before serving.
At home, keeping wrapped slices in the freezer makes it easy to enjoy fresh-tasting banana bread whenever you want. It is especially helpful for busy mornings, lunch boxes, or a quick afternoon treat with coffee or milk.
For the cleanest slices, let the loaf cool completely before cutting. The bread is very soft while warm, and slicing too soon can make the crumb look gummy even when it is fully baked.
—Cambrea
If you tried this blueberry banana bread or another recipe from my kitchen, let me know how it turned out in the comments. I love hearing your baking notes and seeing how the recipe worked for you.
Blueberry Banana Bread
Equipment
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9×5 loaf pan
Ingredients
- 2 cups all-purpose flour (250 g; see notes for measuring)
- 1 teaspoon fine sea salt (5 g)
- 3/4 teaspoon baking soda (3 g)
- 1 1/4 cups mashed ripe banana, about 3 bananas (300 g)
- 2/3 cup packed brown sugar (133 g)
- 1/3 cup granulated sugar (66 g)
- 2 large eggs, room temperature (105 g)
- 5 tablespoons melted full-fat unsalted European butter (70 g)
- 1/4 cup sour cream, room temperature (60 g)
- 2 tablespoons neutral oil (24 g)
- 1 teaspoon vanilla bean paste or vanilla extract
- 1 cup fresh or frozen blueberries (110 g; a mix of fresh and wild Maine blueberries is recommended)
- 2 tablespoons sparkling sugar (30 g)
Instructions
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Preheat the oven to 350°F (180°C). Lightly grease a 9×5-inch loaf pan and line it with parchment paper, leaving overhang on the sides so the loaf is easy to lift out after baking.
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In a medium bowl, whisk together the all-purpose flour, baking soda, and fine sea salt. Set the dry mixture aside.
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In a large bowl, whisk the mashed ripe bananas with the brown sugar and granulated sugar until well combined.
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Add the eggs, melted butter, sour cream, neutral oil, and vanilla. Whisk until the mixture looks smooth and glossy.
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Add the dry ingredients to the wet ingredients and fold gently until only a few streaks of flour remain. Fold in the blueberries carefully so they stay mostly intact and the batter does not become overmixed.
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Pour the batter into the prepared loaf pan. Use a butter knife or offset spatula to draw a line down the center of the batter; this helps the loaf split neatly as it rises.
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Sprinkle the top with sparkling sugar and add a few extra blueberries if desired.
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Bake for 60–70 minutes, or until the center of the loaf reaches 200–205°F on an instant-read thermometer. The top should be golden and the center crack should look set.
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Let the blueberry banana bread cool in the pan on a wire rack for at least 30 minutes. Lift it out using the parchment paper, then cool completely on the rack before slicing.
Notes
Storage: Store leftover slices in an airtight container with a dry paper towel or a slice of white bread to absorb excess moisture. Keep at room temperature for up to 4 days.
Freezing: Wrap cooled slices individually and freeze them in an airtight container or freezer bag for about 1 month. Thaw slices as needed before serving.
Nutritional Information
The calorie information provided for this recipe is an estimate. Accuracy is not guaranteed.
This recipe was created and tested by a real person
AI recipes are becoming common online, but this blueberry banana bread was developed, baked, and tested in a real kitchen.