What is textured soy protein? Textured soy protein, often called TSP, is used by the food industry in many foods products, mainly foods that resemble meat products such as beef, pork or chicken. Textured soy protein is also available in health stores. It is granular in texture and once rehydrated it has the texture of minced beef. Textured soy protein is also available in larger pieces that take … [Read more...]