Beef Sandwiches

2 1/2 pounds of ground beef

1 quartered onion

1 cup of ketchup

1 tsp of chili powder

1 tsp of dry mustard

1/2 tsp of salt

2 of water OR for extra flavour add beef stock

8 hamburger buns

In a pan, brown ground beef and drain well. Place beef and remaining ingredients in your crockpot. Cook on LOW for 10 hours.

Taste for seasoning before serving and correct if necessary. Spoon over hamburger buns.