Soy Lecithin Powder is a food additive used as an emulsifier. Extracted from soybeans it stabilises and emulsifies sauces and aerated preparations like whipped cream from a dispenser. It's used in modernist cooking to make foam sauces last longer. Add it to fruit juice to make a simple dessert foam sauce. It also used to control sugar crystallization, improve chocolate flow, and to create a homogenous mixing of ingredients in salad dressings.