Grasshopper Dessert
["2 (3 oz. each) pkg. or 1 (6 oz.) pkg. lime gelatin", "1/4 c. sugar", "2 c. boiling water", "1 1/2 c. cold water", "1/2 tsp. peppermint extract", "1 envelope whipped topping mix"]
["Dissolve gelatin and sugar in boiling water.", "Add cold water and peppermint extract.", "Measure 1 cup and chill until slightly thickened.", "Pour remaining gelatin mixture into 8-inch square pan. Chill until firm and cut into cubes."]
["lime gelatin", "sugar", "boiling water", "cold water", "peppermint"]