1 (6 oz.) pkg. lemon Jello
3 c. boiling water
1 (6 oz.) can frozen lemonade
1 (8 oz.) carton Cool Whip

Dissolve Jello in boiling water and add lemonade. Refrigerate until jelly like. fold in Cool Whip and pour into a six cup mold. Refrigerate until ready to unmold and serve.