Step 1

Preheat oven to 350°. In a large bowl, cream butter and sugar until light and fluffy, 5-7 minutes. Beat in the eggs, bananas and vanilla. Combine the flour, baking soda and salt; stir into creamed mixture just until blended.

Step 2

Transfer batter to a greased 15x10x1-in. baking pan. Bake for 20-25 minutes or until a toothpick inserted in the center comes out clean. Cool in pan on a wire rack.

Step 3

For frosting, in a small bowl, beat cream cheese and butter until fluffy. Add confectioners' sugar and vanilla; beat until smooth. Frost bars.