Cabbage and Pineapple Jello

Dissolve:
2 pkg. lemon or lime jello in
2 cups water
1 Tbs. vinegar
Add:
1 can crushed pineapple
1 1/2 cup shredded cabbage
Whip:
1 to 2 cups cream
Fold in:
1/2 cup mayonnaise or salad dressing
Pour into glass cake pan to set.