Alcoholic Root Beer Float

4.75 from 24 votes

Root beer over vanilla ice cream is a classic dessert--just add vodka to turn this into a Root Beer Float cocktail!

Step-by-step photos can be seen below the recipe card.

Prep Time5

Total Time5

Course: cocktail

Cuisine: American

Servings: float

Place 2-3 scoops of vanilla ice cream into a tall glass.
4 ounces vanilla ice cream
Fill halfway up with root beer.
8 ounces root beer
Pour 1 shot of vanilla vodka, and then top with root beer to fill to the top of the glass.
1½ ounces vanilla vodka

Try changing up the alcohol by swapping in whipped cream-flavored vodka, dark rum, Bailey's, or Kahlua. You could even swap the root beer for a hard root beer!
Swap the vanilla ice cream for your favorite flavor, like butter pecan, chocolate, or cherry! You can even swap the root beer for your favorite soda, like Coke, Pepsi, orange soda, or cream soda.
Nutritional information will vary depending on the size of the mug, the brand of ice cream, and the size of your ice cream scoop. This recipe assumed a 1.3-ounce scoop, which is the average size. Learn more here. The brand of ice cream used in this recipe contains 59 calories per ounce.