They're also sometimes cooked and used as an ingredient in sushi. Look for them in Japanese markets. Derived from soy beans or egg yolks, nutrient-rich lecithin is a wonder ingredient. It's used in cooking as an emulsifier, preservative, lubricant, and moisturizer. It's a healthful substitute for fat in baked goods, adding moisture and improving texture.
Bakers use it as a dough enhancer because it helps give yeast breads more of a rise.
It comes either granulated or as a liquid. Puree pulp from papaya or kiwi fruit and spread it on meat that has been pricked with a fork. Allow it to permeate the meat for at least half and hour before cooking. Make sure that you get fortified nutritional yeast if you're taking it as a source of vitamin B12. Don't confuse this with baker's yeast or brewer's yeast .