Barbecued Beef Sandwiches

Ingredients (9)

• + 3 pounds beef chuck add to pantry
• + 2 onions, chopped add to pantry
• + 1 (28 ounce) can diced tomatoes with juice add to pantry
• + ½ cup distilled white vinegar add to pantry
• + ½ cup water add to pantry
• + 3 tablespoons sugar add to pantry
• + ⅓ (10 fluid ounce) bottle Worcestershire sauce add to pantry
• + salt and pepper to taste add to pantry
• ✓ salt and pepper to taste