1 box yellow cake mix
1 can Comstock pie filling (cherry)
1 lg. can crushed pineapple
1 stick butter
1/2 c. chopped pecans (optional)

Mix the pie filling and the pineapple with juice into a 9x13 pan. Pour the yellow cake mix over that without mixing. Put pecans and melt butter and pour over the top of that. Bake at 350 degrees for 45 minutes or until cake turns brown on top.