Moist Banana Bread Recipe with 3 Bananas and Sugar Crust
This banana bread recipe with 3 bananas uses sour cream and melted butter for a moist, caramelized loaf. An easy one bowl banana bread with a crackly sugar top.
Stop waiting for a whole bunch of fruit to rot; this banana bread recipe with 3 bananas is designed for that specific moment when you have exactly three spotted specimens sitting on the counter. It is a foolproof, high-reward bake that prioritizes a deep, caramelized flavor and a crumb that stays soft for days.
By using melted butter instead of creaming softened sticks, we achieve a denser, more pound-cake-like texture. This easy one bowl banana bread avoids the dry, airy pitfalls of lesser loaves by incorporating a dollop of sour cream, providing the necessary acidity to activate the leavening and ensure a moist banana bread recipe every single time.
The finishing touch is a generous sprinkle of granulated sugar over the batter just before it hits the oven. This creates a shatteringly crisp, sparkly crust that contrasts beautifully with the tender, fruit-heavy interior.
Ingredients
Wet Ingredients
- 3 very ripe bananas, mashed (about 1.5 cups / 340g)
- 1/2 cup unsalted butter, melted and cooled (113g)
- 3/4 cup light brown sugar, packed (150g)
- 1 large egg, room temperature
- 1/4 cup sour cream or full-fat Greek yogurt (60g)
- 1 1/2 teaspoons vanilla extract
Dry Ingredients
- 1 1/2 cups all-purpose flour (190g)
- 1 teaspoon baking soda
- 1/2 teaspoon kosher salt
- 1 teaspoon ground cinnamon
- 1 tablespoon granulated sugar (for the topping)
Instructions
- 1
Preheat your oven to 350°F (175°C) and grease an 8.5 x 4.5-inch loaf pan with butter or non-stick spray.
- 2
Mash the three bananas in a large mixing bowl using a fork or potato masher until mostly smooth with just a few small chunks remaining.
- 3
Whisk the melted butter and brown sugar into the mashed bananas until well combined and the sugar begins to dissolve.
- 4
Add the egg, sour cream, and vanilla extract, whisking vigorously until the mixture is uniform and pale.
- 5
Fold in the flour, baking soda, salt, and cinnamon using a rubber spatula, stirring just until no streaks of dry flour remain—do not overmix.
- 6
Pour the batter into the prepared loaf pan and smooth the top with your spatula.
- 7
Sprinkle the tablespoon of granulated sugar evenly across the entire surface of the batter to create the signature crust.
- 8
Bake for 55 to 65 minutes, or until a toothpick inserted into the center comes out clean or with just a few moist crumbs.
- 9
Let the bread cool in the pan for 10 minutes before transferring it to a wire rack to cool completely before slicing.
Nutrition (per serving)
Estimates only — not medical or dietary advice.
- Calories
- 265 kcal
- Protein
- 3.5 g
- Carbs
- 42 g
- Fat
- 10 g
- Fiber
- 1.5 g
- Sugar
- 23 g
- Sodium
- 165 mg
Tips
- → Use bananas that are heavily speckled or even black; the higher sugar content in overripe fruit is what creates the best flavor.
- → Don't overmix the batter once the flour is added, as this develops gluten and can make the bread tough rather than tender.
- → If the top is browning too quickly before the center is set, tent the pan loosely with aluminum foil for the last 15 minutes of baking.
- → Measure your flour by weight or use the spoon-and-level method to avoid packing too much into the cup, which leads to dry bread.
FAQ
Can I use frozen bananas for this recipe?
Yes! Thaw them completely in a bowl first. Be sure to include all the liquid that leeches out of them, as that juice contains a lot of concentrated banana flavor.
Why does my banana bread sink in the middle?
This usually happens if the bread is underbaked or if there was too much leavening agent. Ensure your baking soda is fresh and use a thermometer to check that the internal temperature reaches about 200°F.
How do I store this to keep it moist?
Wrap the cooled loaf tightly in plastic wrap or store in an airtight container at room temperature for up to 4 days. It actually tastes even better on day two.
Can I add mix-ins like chocolate chips or walnuts?
Absolutely. Fold in up to 3/4 cup of toasted walnuts, pecans, or dark chocolate chips along with the dry ingredients.
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