3 roast beef burritos in crock pot Recipes

beef roast (chicken can be substituted ) or 5 lbs pork roast, fat trimmed (chicken can be substituted ), boneless skinless chicken breasts or 1 (4 -5 lb) roasting chickens, onion, chopped, celery, chopped, water, salt, black pepper, garlic powder, cumin, chili powder (or 1 envelope taco seasoning), sour cream (optional), salsa (optional), shredded lettuce (optional), shredded cheese (optional), chopped tomato (optional), guacamole (optional), chopped onion (optional), chopped cilantro (optional)

beef roast (i use whatever is on sale), ortega taco seasoning, diced tomatoes with green chilies (i use with jalapenos), salt, pepper