4 (3 oz.) pkg. Jello, lime, orange, lemon and strawberry
4 pt. vanilla ice cream (1/2 gallon)
1 lb. 8 oz. lite sour cream

Dissolve Jello in 3/4 cup boiling water (just one flavor at a time). Immediately add 1 pint ice cream and stir until smooth. Pour into 10 inch springform pan, greased with mayonnaise.

Let stand in refrigerator for 2 hours. Spread with thin layer of sour cream. Repeat with remaining Jellos and chill overnight.