Barbecue Beef Sandwiches

Ingredients

3 pound beef rump roast
3 tablespoon flour
15 oz tomato sauce
1/2 cup onions
3/8 cup brown sugar
2 tablespoon lemon juice
1 tablespoon beef instant bouillon
2 teaspoon chili powder
1 garlic clove
1 teaspoon dry mustard
1 hamburger buns

Instructions

Rub flour into roast. Place in bottom of crockpot and add remainingingredients, except buns. Cook on low for about 14-16 hours. Serveover buns.