Barbecue-Style Sandwiches

Ingredients

• 1 (8 ounce) can tomato sauce
• 12 cup chopped onion
• 14 cup finely chopped green pepper
• 1 tablespoon brown sugar
• 2 tablespoons vinegar
• 1 tablespoon Worcestershire sauce
• 1 12 teaspoons dry mustard
• 1 teaspoon chili powder
• 14 teaspoon celery seed
• 1 clove garlic, minced
• 12 lb thinly sliced cooked pork or 12 lb leftover pork roast (can also use cooked beef or lamb instead of pork)
• 2 -4 French rolls, split and toasted