Mexican Sloppy Joe's

1 lb lean ground beef

3 TBS onion diced small
1 ½ cup tomato sauce
1 packet taco seasoning
1 TBS Worcestershire sauce
2 TBS Ketchup
1 tsp cumin
1 tsp ground black pepper
1 tsp chili powder
1 tsp garlic powder
8 hamburger buns
1 avocado (optional)
Cilantro, sour cream, and shredded cheese (optional)

Place ground beef and diced onions in a large skillet. Cook over medium high heat until the meat is browned and the onions are translucent. Drain any excess fat from the pan. Add packet of taco seasoning and stir well. Add tomato sauce, ketchup, Worcestershire sauce, cumin, pepper, chili powder, and garlic powder. Stir well. Reduce heat to medium low and simmer for ten minutes.
Serve on hamburger buns (cheese, avocado, sour cream, and cilantro are optional).