This is a vegetarian recipe. If you wish to add a protein please consider the following additions. (Nutritional information should be adjusted for each addition.)
4¾ lbs USDA diced, cooked chicken (1 oz serving protein)
12 lbs Garbanzo or Chick Peas, canned (1/4 cup beans per serving)
9¾ lbs Tofu, diced (2.2 oz or ¼ cup provides 1 oz meat alternate)