2 T chopped fine onion (or more to desired taste)
3 lbs lean ground beef
1 beef bouillon cube
1 chicken bouillon cube
1 1/2 c water
2 T Worcestershire sauce
1 T soy sauce
2 T cider vinegar
2 T brown sugar
Break up ground beef and place in crock pot with all the ingredients, stir well.
Cook on high 4 hours or until ground beef is cooked. Stir occasionally to prevent meat from clumping, meat should be crumbly.
Serve on toasted hamburger buns with your favorite toppings.
