This Banana Cake is soft, moist, and full of fresh banana flavor. Topped with rich cream cheese frosting, it’s a simple yet crowd-pleasing dessert that works for any occasion.
Ingredients
Banana Cake
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½ cup (1 stick) butter, softened
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1 ½ cups granulated sugar
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2 large eggs
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1 cup sour cream (full-fat recommended)
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1 teaspoon vanilla extract
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2 cups all-purpose flour
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1 teaspoon baking soda
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¼ teaspoon salt
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1 cup mashed bananas (about 3 ripe bananas)
Cream Cheese Frosting
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½ cup (1 stick) butter, softened
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8 oz cream cheese, softened (full-fat recommended)
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1 teaspoon vanilla extract
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3 cups powdered sugar
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2 tablespoons heavy whipping cream
Instructions
Make the Cake
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Preheat oven to 350°F (175°C). Grease a 9×13-inch baking dish with cooking spray.
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In a large bowl (or stand mixer with paddle attachment), cream butter and sugar until light and fluffy, about 2–3 minutes.
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Add eggs, sour cream, and vanilla. Mix until smooth and creamy.
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Add flour, baking soda, and salt. Blend on low just until combined.
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Gently fold in mashed bananas.
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Pour batter into the prepared dish and spread evenly.
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Bake for 25–35 minutes, or until a toothpick inserted in the center comes out clean or with just a few moist crumbs. Edges and top should be lightly browned.
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Let cake cool completely before frosting.
Make the Cream Cheese Frosting
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In a large bowl, beat butter and cream cheese until smooth.
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Add vanilla, powdered sugar, and heavy cream. Beat on low, then increase speed until thick, creamy frosting forms.
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Adjust consistency if needed: add a little more powdered sugar for thickness or a splash of milk for softness.
Assemble
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Spread frosting evenly over the cooled cake.
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Cut into squares and, if desired, garnish each piece with banana slices and chopped walnuts.