1/2 cup (1 stick) butter
1 1/2 cups brown sugar
1 (20 oz.) can sliced pineapple, drained
1 (11 oz.) can Maraschino cherries, drained
1 box pineapple supreme cake mix

Melt butter in a 9x13-inch baking pan. Sprinkle brown sugar over butter and spread evenly over bottom of pan. Arrange pineapple over brown sugar. Place a cherry in the center of each pineapple

Mix cake according to package directions.

Carefully spoon batter over the fruit, being sure it is evenly distributed.

Bake at 375°F for 35 to 40 minutes or until done.

Place on rack and cool in pan for 10 minutes. Run a small spatula or knife between the edge of the cake and the pan.

Place a baking sheet over the top of the pan; hold it in place and turn the pan upside down.

Gently tap the bottom of the pan and lift off. Remove from the pan any left behind fruit and sugar.

Cut into squares. Serve warm or cold. Top with Cool Whip if desired.