Frozen Margaritas

In a blender combine:

one 6-ounce can frozen limeade concentrate

2/3 cup tequila, and 1/2 cup orange liqueur

Cover and blend until smooth. With blender running, add 4 cups ice cubes, 1 at a time, through opening in lid. Blend until slushy. Serve in salt-rimmed glasses. Garnish with lime slices, if desired. Makes 8 (4-ounce) servings.