What Is Cheese Foam? A Complete Guide for Bubble Tea What is cheese foam? Cheese foam is a creamy topping used on tea, coffee, fruit drinks, and other beverages. It forms a rich layer over the drink and combines a creamy texture with a mild savory or salty flavor. Unlike ordinary whipped cream, cheese foam is designed to add both texture and flavor. The slight saltiness can balance a sweet beverage, while the creamy layer creates a richer drinking experience. Cheese foam has