Best Fresh Margaritas by the Pitcher from Food.com: This is a wonderful recipe for Margaritas on the Rocks by the pitcher-full! It is best to prepare the lime-lemon juice and zests mixture before hand to allow them to meld appropriately -- Cooking time reflects refrigeration time. I discovered this in Cook's Illustrated Magazine -- just in time for summer! I have altered the ingredients to suit my personal taste. Enjoy!