A Delicious Vegetarian Alternative to Ground Beef. Low fat. Only 1-1/2 grams of fat per serving. Pre-cooked convenience. 1-1/2g fat in Vegetarian Burger, 9.5g fat in cooked lean ground beef. 100% Vegetarian. Exchange: 1 Lean Meat. The dietary exchanges are based on the Exchange Lists for Meal Planning, Copyright 2003 by the American Diabetes Association, Inc. and The American Dietetic Association.