Peach Upside-Down Pudding Cake

Peach Upside-Down Pudding Cake 1⁄4 cup butter or 1⁄4 cup margarine, melted 1⁄3 cup packed light brown sugar 1 (29 ounce) cansliced yellow cling peaches, drained 1 package yellow cake mix 1 package vanilla instant pudding mix 4 eggs 1 cup sour cream 1⁄4 cup oil 1⁄2 teaspoon vanilla extract Combine butter and brown sugar and pour into 13x9-inch pan. Arrange peaches on top. Combine remaining ingredients in large bowl. Beat at medium speed 4 minutes. Spoon into pan and bake at 350 degrees for 50-55 minutes or until cake springs back when touched. Cool in pan 5 minutes. Invert onto platter, and cool completely. Garnish with whipped topping, if desired.