01 -
Saute diced onion in a large pan over medium heat with 1 tablespoon of olive oil.
02 -
After 3 minutes, add beef to the pan and break apart with a wooden spoon. Cook beef until brown on all sides, about 10 minutes.
03 -
Once the beef is brown, add in the ketchup, water, garlic powder, brown sugar, salt, pepper, and Worcestershire sauce. Mix well and simmer for 15 minutes, slightly covered with a lid.
04 -
Serve on top of buns. Enjoy!