A Root Beer Float is a classic dessert beverage made by combining root beer, a sweet, carbonated soft drink flavored with sassafras and vanilla, with a scoop of vanilla ice cream. The ice cream floats on top of the root beer, creating a creamy and fizzy treat that is enjoyed by many. This refreshing drink is often served in a tall glass, allowing the bubbles from the root beer to rise and create a frothy head. The combination of flavors and textures makes the root beer float a popular choice at diners and ice cream shops, especially during warm weather.