FROSTY VIRGIN MARGARITAS 3 12-oz. cans frozen limeade 1 6-oz. can frozen orange juice concentrate-pulpy 1 6-oz. can frozen grapefruit juice 32 oz. Ginger ale 2 fresh limes, cut into 24 rounds Pour half the juices and ginger ale into a blender. Add some ice cubes and blend; add ice until desired consistency. Repeat. Serve in large goblets. Garnish with round of lime. (24 servings)