Frozen cranberry salad

1. In a large bowl, combine sweetened condensed milk and lemon juice.
2. Stiri in cranberry sauce, pineapple and nuts; fold in whipped topping.
3. Spread in 9x13" pan. Freeze until firm.
4. Remove from freezer 10 minutes before serving.
5. Serve on lettuce leaves.
6. Return leftovers to freezer.