3 pkg. (3 oz. size) lemon or lime Jello
2 c. boiling water
2 c. cold water
1 c. drained crushed pineapple
1 pkg. lemon pie filling
2 c. whipped topping or 1 envelope Dream Whip

Dissolve Jello in boiling water. Add cold water or juice from pineapple. Let set until Jello begins to thicken. Stir in pie filling, prepared as directed on package. Whip with electric mixer. Reserve 1 cup of the mix. To the remainder, add crushed pineapple. Pour into 9 x 10 inch pan and cool until set. Fold reserved cup of Jello into whipped topping. Spread over first layer and refrigerate.