Ingredients
4 lime wedges2 tablespoons coarse sugar2/3 cup thawed lemonade concentrate1 cup frozen unsweetened raspberries2 cups ice cubes2 packages (10 ounces each) frozen sweetened sliced strawberries, thawed1/2 cup frozen blueberries1 tablespoon sugar1/2 cup tequila, optional
Preparation
Using lime wedges, moisten the rims of four margarita or cocktail glasses. Set aside limes for garnish. Sprinkle coarse sugar on a plate; hold each glass upside down and dip rim into sugar. Set aside. Discard remaining sugar on plate.
In a blender, combine the lemonade concentrate and raspberries; cover and process until blended. Press mixture through a fine sieve; discard seeds. Return raspberry mixture to blender; add the ice, strawberries, blueberries, sugar and tequila if desired. Cover and process until smooth.
Pour into prepared glasses. Garnish with reserved limes.
