1 (20 oz.) can cherry filling
1 (21 oz.) can crushed pineapple

Stir together with a spoon.

1 (14 oz.) can sweetened condensed milk
1/2 c. chopped walnuts

Add to cherry-pineapple mixture and stir together.

1 (12 or 16 oz.) container Cool Whip

Add to above mixture and fold in with spatula. Spread into a 13"x9" dish or pan and freeze overnight.