1 (3 ounce) can crushed ice
1 (6 ounce) can flavored sherbet
1 teaspoon vanilla extract
1 (2 ounce) can lemon-lime flavored carbonated beverage
In a blender, combine crushed ice, sherbet, vanilla and lemon-lime soda. Blend until smooth. Chill in refrigerator for 1 hour or overnight.