Ingredients
2 medium limes1/3 cup sugar8 cups cubed seedless watermelon (1 inch)2 cups ice cubes2 cups tequila1 cup Triple Sec1/4 cup lime juice
Preparation
Cut 1 lime into 12 wedges; reserve for garnishes. If desired, coat the rim of each glass with sugar: Cut remaining lime into wedges. Using these wedges, moisten the rims of 12 margarita or cocktail glasses. Sprinkle sugar on a plate; hold each glass upside down and dip rim into sugar. Discard remaining sugar.
Place half the watermelon in a blender; cover and process until pureed (this should yield 3 cups). Add half each of the following: ice cubes, tequila, Triple Sec and lime juice. If desired, add sugar to taste. Cover and process until blended.
Serve in prepared glasses. Repeat with remaining ingredients. Garnish with reserved lime wedges.