Natural mushroom flavor products add complexity with a meaty taste to meatless burgers. Food processors are requesting natural ingredients for health food products, and natural vegetable flavors are meeting the need. The mushroom flavor products used in vegetarian burger applications are available in powders, bullion and concentrates. Varieties include Mushroom Extract Powder, Shitake Powder and Shitake Extract Powder. Each imparts a different, distinct flavor to the final product.