Easy Chicken with broth

1 Tbsp olive oil 1 tsp dried oregano 3/4 tsp ground cumin 1/2 tsp chili powder 2 cloves garlic 1 small onion or 1/2 large onion chopped 2 celery stalks,[...]

4 boneless skinless chicken breasts , cooked and diced 1 (14 ounce) can diced tomatoes 2 (10 ounce) cans Rotel tomatoes & chilies , original 1 (16 ounce) can[...]

4 boneless skinless chicken breasts , cooked and diced 1 (14 ounce) can diced tomatoes 2 (10 ounce) cans Rotel tomatoes & chilies , original 1 (16 ounce) can[...]