1 box yellow cake mix
1 large can crushed pineapple, drained
1 cup pecans
1 cup margarine
Grease bottom and sides of 9×13 inch pan. Spread drained pineapple on bottom, then sprinkle with half package cake mix and a layer of pecans. Sprinkle remaining cake mix on top. Dab with margarine and bake at 300 degrees until done (1-2 hours). Cool and cut into squares.