1 (21 oz.) can Comstock cherry pie filling
1 (20 oz.) can crushed pineapple in syrup
1 box Duncan Hines deluxe yellow cake mix
3 (2 1/2 oz.) bags chopped pecans
2 sticks butter

Spray pan with Pam. Spread cherry pie filling on bottom of pan. Spread crushed pineapple with juice on cherry pie filling. Pour yellow cake mix evenly on pineapple (leave cake mix dry, pour straight from box). Spread pecan pieces evenly on top of cake mix. Cover with thin slices of butter (be generous). Bake at 350 degrees for 1 hour. Tastes great with vanilla ice cream or Cool Whip.