1 sm. pkg. lemon Jello
1 c. hot water
3/4 c. cold water
1/2 c. sugar (or less)
6 oz. can frozen lemonade
8 oz. Cool Whip

Mix Jello, hot and cold water, and sugar. Then add lemonade. Cook until thickened. Add Cool Whip. Can put in blender or beat with mixer if you have trouble blending it.

Variation: Can use lime or orange Jello, too.