Margaret's Holiday DumpCake

Take an ungreased 9 1/2 x 13 pan.
Spread one can of crushed pinneaple evenly over the bottom of the pan.
Gently spread 1 can of cherry pie filling on top of this.
Sprinkle 1 ox of dry yellow cake mix over the top of this.
Sprinkle 1 cup of chopped pecans over this.
Slice pats of butter and lay on the very top.

Bake at 350 for one hour. Chill slightly and cut into squares. Serve with vanilla ice cream.