Peach Upside-Down Cake
["1 pkg. yellow cake mix", "1/2 c. (1 stick) margarine", "1 c. brown sugar", "1 (1 lb. 13 oz.) can sliced peaches", "maraschino cherry halves", "whipped cream"]
["Melt butter in a 13 x 9 x 2-inch pan.", "Sprinkle brown sugar evenly in pan.", "Drain peaches.", "Save the syrup.", "Arrange peach slices in sugar mixture.", "If desired, also arrange cherry halves, rounded side down, in sugar mixture."]
["yellow cake mix", "margarine", "brown sugar", "peaches", "maraschino cherry halves", "whipped cream"]