1 (6 oz.) Chocolate Ready Pie crust
1 can (6 oz.) frozen lemonade (or lime) concentrate
1 can (14 oz.) sweetened condensed milk (not evaporated milk)
3/4 c. sour cream
Few drops yellow or green food coloring
1 (8 oz.) carton Cool Whip (save a bit for topping)
1 Hershey bar

In large mixing bowl combine lemonade or limeade (undiluted and frozen) sour cream and sweetened milk. Stirring until blended. Fold in whipped topping. Add food coloring as desired. Spoon mixture into chocolate crust. Chill until set. Garnish with remaining Cool Whip and grated chocolate bar.