olive oil • medium yellow onion, chopped • garlic, minced • celery, diced • carrots, shredded or diced • ground beef • Worcestershire sauce • dark red kidney beans, drained (15 oz can) • pinto beans, drained (29 oz can) • diced tomatoes, undrained (15 oz can) • small potatoes, peeled and diced • frozen vegetables - country trio - carrots, green beans, and corn •