Step 1

Place one to two scoops of vanilla ice cream in the bottom of a tall glass

Step 2

Pour the rootbeer over the ice cream until the foam reaches the top. Wait a second or two for the foam to settle down, then pour more root beer into the glass. Continue until you are satisfied with the ice cream-to-root beer ratio.

Step 3

Optional: Garnish with whipped topping and a maraschino cherry

Step 4

Insert a straw and enjoy