foodfrillz veg gelatin (carrageenan) is a plant based vegetarian emulsifying and thickening agent primarily used to thicken sauces, ice creams, soy milk and such other desserts. A vegetarian alternative to gelatine. It is a vegetarian setting agent, ideal for use in a wide variety of sweet and savoury recipes including, jellies, mousses, cheesecakes, pies and more.