Barbecued Beef - cooking recipe

Ingredients

2/3 c. chopped onion
2 Tbsp. margarine
3 Tbsp. vinegar
1 1/2 Tbsp. Worcestershire sauce
1 1/2 Tbsp. prepared mustard
1/4 c. brown sugar
1 1/3 c. catsup
1 c. water or juice from roast
1 qt. shredded or diced roast beef

Preparation

Keep heat gentle and stir occasionally for 30 to 45 minutes. Serve on buns (rye is especially good).
Makes 10 servings.