Lemonade Gelatin Fluff

5 small boxes lemon gelatin
6 cups boiling water
1 (12 ounce) can frozen lemonade concentrate
1 (12 ounce) container frozen whipped topping

Thaw whipped topping. Dissolve gelatin in boiling water; stir in lemonade until dissolved. Chill until partially set. Fold in whipped topping. Pour into a 13 x 9-inch dish. chill until firm.

Yields 20 to 24 servings.