Banana Cake with Cream Cheese Frosting Recipe

Ingredients

• 1 1/2 cups white sugar
• 3/4 cup unsalted butter, softened
• 3 large eggs
• 1 teaspoon vanilla extract
• 2 1/2 cups all-purpose flour
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 1 cup mashed bananas
• 3/4 cup sour milk
• 1 (16 ounce) container cream cheese frosting
• 1 large ripe banana, mashed
• 1 tablespoon confectioners' sugar, or to taste