Mock Margarita
["12 oz. can lemonade concentrate", "12 oz. can lime concentrate", "1 c. powdered sugar", "4 egg whites", "6 c. crushed ice", "4 c. club soda"]
["Use a 4-quart nonmetal container.", "Mix lemonade and lime concentrate, powdered sugar and egg whites with a whip.", "Add crushed ice and club soda.", "Serve in salt rimmed glasses."]
["concentrate", "lime concentrate", "powdered sugar", "egg whites", "crushed ice", "club soda"]