½ cup (1stick) margarine
1 cup brown sugar
Large can of crushed pineapple
1 pkg. Yellow cake mix
Melt margarine in 9 x 13 pan. Add brown sugar and pineapple. Mix up well. Mix cake according to package directions. Pour over mixture in pan. Bake at 350 degrees for about 45 minutes. Let stand for about 5 minutes and turn upside down on large platter or cookie sheet.