Can I use frozen bananas for this recipe?

Yes, you can use frozen bananas. Make sure to thaw them completely and drain any excess liquid before mashing.

Can I substitute the sour cream with something else?

Yes, you can substitute the sour cream with plain yogurt or buttermilk.

Can I use a different type of flour?

While all-purpose flour is recommended, you can substitute with a 1:1 gluten-free flour blend if you are gluten-free.

Can I add nuts to the crumb topping?

Yes, you can add chopped nuts, such as walnuts or pecans, to the crumb topping for added flavor and crunch.

Banana Crumb Coffee Cake Recipe | Moist & Buttery Crumb Topping

Description

Think banana bread had a baby with coffee cake, and that baby won the lottery in the form of extra butter. This simple cake is perfect for a breakfast with friends or a relaxing dessert after dinner. Moist, banana-infused, and topped with a buttery crumb – it’s a dream come true!

Ingredients

Scale

1 ½ cups all-purpose flour
1 teaspoon baking soda
½ teaspoon baking powder
¼ teaspoon salt
½ cup (1 stick) unsalted butter, softened
¾ cup granulated sugar
2 large eggs
1 teaspoon vanilla extract
1 cup mashed ripe bananas (about 2–3 medium bananas)
½ cup sour cream or plain yogurt
For the Crumb Topping:
½ cup all-purpose flour
⅓ cup packed light brown sugar
¼ cup granulated sugar
½ teaspoon ground cinnamon
¼ teaspoon salt
6 tablespoons (3 ounces) cold unsalted butter, cut into small cubes

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Instructions

Preheat oven to 350°F (175°C). Grease and flour a 9-inch square baking pan.
In a medium bowl, whisk together flour, baking soda, baking powder, and salt.
Cream butter and granulated sugar until light and fluffy.
Beat in eggs one at a time, then stir in vanilla extract.
Gradually add dry ingredients, alternating with mashed bananas and sour cream. Mix until just combined.
For crumb topping, mix flour, brown sugar, granulated sugar, cinnamon, and salt in a bowl.
Cut in cold butter until mixture resembles coarse crumbs.
Pour batter into prepared pan and sprinkle crumb topping evenly over it.
Bake 35-40 minutes, or until a toothpick inserted in the center comes out clean.
Cool 10 minutes in the pan before transferring to a wire rack. Cut into squares and serve.

Notes

Use very ripe bananas for maximum flavor. Don’t overmix the batter to keep the cake tender.

Prep Time: 20 minutes
Cook Time: 40 minutes
Category: Dessert
Method: Baking
Cuisine: American

Nutrition

Serving Size: 1 square
Calories: 320
Sugar: 24g
Sodium: 180mg
Fat: 15g
Saturated Fat: 9g
Unsaturated Fat: 5g
Trans Fat: 0g
Carbohydrates: 42g
Fiber: 2g
Protein: 4g
Cholesterol: 70mg