1 (12 fluid ounce) can lemon-lime flavored carbonated beverage
1 (12 ounce) can frozen lemonade concentrate
2 scoops vanilla ice cream
32 fluid ounces lemon-lime flavored carbonated beverage
8 fluid ounces lemon-lime flavored carbonated beverage
8 fluid ounces lemon-lime flavored carbonated beverage
1 lemon, sliced
Pour lemon-lime soda in a tall glass. Whiskey or flavored liqueur fill glasses; top with lemonade. Serve glasses with ice cubes.