1 1/2 c. vanilla wafers, crushed
1/4 lb. butter
1 (12 oz.) can frozen lemonade concentrate
1 can (14 oz.) Eagle Brand milk
3-5 drops yellow food coloring
1 (13 oz.) tub Cool Whip

Make crust with butter and wafer mixture. Pat into 9 x 13 inch pan. Refrigerate. Blend lemonade, milk, Cool Whip and desired amount of food coloring. Mix and pour into crust. Top with a few crumbs. Refrigerate at least 4 hours before serving.