Place the chicken, carrots, onion, celery, parsley, Herbes de Provence, paprika, chili flakes, chicken bouillon, garlic, chicken stock, salt, and pepper in a 6-quart slow cooker.
2 1/2 lb. boneless, skinless chicken thighs (or chicken breasts)*, 2 cups carrots, small diced, 2 cups white onion, small diced, 2 cups celery, small diced, 2 Tbsp. fresh parsley, chopped, 1 Tbsp. Herbes de Provence or poultry seasoning, 1/8 tsp. paprika, 1/8 tsp. red pepper chili flakes (optional), 1 Tbsp. chicken bouillion, or 1 cube, 6 cloves garlic, pressed thru a garlic press, 4 cups chicken stock or broth, salt and pepper, to taste. Be generous with the salt