Barbecued Beef For Sandwiches - cooking recipe

Ingredients

2 Tbsp. margarine
2 Tbsp. mustard
2 Tbsp. brown sugar
1 tsp. Worcestershire sauce
1 tsp. salt
3/4 c. catsup
1 medium onion, chopped
2 to 4 c. leftover diced roast beef
hamburger or sandwich buns

Preparation

Combine all ingredients except roast beef and buns.
Cook until onion is tender and ingredients are well blended.
Add meat. Cook 30 minutes more or until meat is seasoned through.
Serve hot on buns.
This is a great way to use up that leftover roast beef.