Dump cherry pie filling, crushed pineapple in a 9 x 13-inch pan. Do not stir. Sprinkle cake mix evenly over fruit. Dot with butter. Top with nuts. Bake at 375 degrees F for 1 hour. Serve warm with vanilla ice cream, whipped cream or plain cream poured over top.
This cake is so rich! I rarely make it but it is soooo goood!