Ingredients
1/2 cup butter, softened1-1/2 cups sugar2 large eggs, room temperature1 cup sour cream1 teaspoon vanilla extract2 cups all-purpose flour1 teaspoon baking soda1/4 teaspoon salt2 medium ripe bananas, mashed (about 1 cup)FROSTING:1 package (8 ounces) cream cheese, softened1/2 cup butter, softened2 teaspoons vanilla extract3-3/4 to 4 cups confectioners’ sugar
Preparation
Preheat oven to 350°. In a large bowl, cream butter and sugar until light and fluffy, 5-7 minutes. Add eggs, sour cream and vanilla. Combine flour, baking soda and salt; gradually add to creamed mixture. Stir in bananas.
Spread into a greased 15x10x1-in. baking pan. Bake until a toothpick inserted in the center comes out clean (do not overbake), 20-25 minutes. Let cool.
For frosting, in a large bowl, beat cream cheese, butter and vanilla until fluffy. Gradually beat in enough confectioners’ sugar to achieve desired consistency. Frost bars. Store in the refrigerator.