Agar agar is a refined powder made from seaweed. It is used as a thickening or gelling agent in a variety of foods made in the modernist kitchen. Specifically, it is often used to make vegan cheese with the texture and consistency of dairy cheeses. Most thickening and gelling agents are made from the hooves of animals. Agar agar powder is instead made purely from seaweed. This means it is both vegetarian and vegan friendly. It is also incredibly effective at making dairy substitutue products, jellies,...