What is cold foam for cold brew?

Cold foam for cold brew is a frothy and creamy topping made from cold milk that is aerated and frothed. It is a popular addition to cold brew coffee, providing a smooth and velvety texture. Cold foam is often created by frothing cold milk with a milk frother or by using specialized equipment designed for cold foam preparation. It can be sweetened or flavored according to preferences and is typically poured over cold brew coffee to enhance the overall drinking experience. The result is a refreshing and indulgent coffee beverage with a delightful foam layer.