3 broiled roast beef sandwiches garlic Recipes

boneless chuck roast, onion, chopped, butter, distilled white vinegar, chili sauce, brown sugar, mustard powder, worcestershire sauce, fresh ground black pepper, salt, ground cayenne pepper, garlic cloves, minced, hamburger buns, buttered and lightly broiled

crusty sandwich buns (sliced in half ), soft butter (use a much as desired), garlic powder (to taste), mayonnaise, sliced cooked beef, divided, deli mustard (to taste), sliced red onion, firm plum tomatoes, salt and black pepper, mozzarella cheese (can use more )