Philly Cheese Steak Sandwich

1. 1

   Preheat broiler.

2. 2

   In a large skillet sprayed with Pam, combine onion and water; Cover and cook over medium heat 10 minutes.

3. 3

   Stir in mustard and garlic; separate each bun and arrange on baking sheet; lightly spray butter flavored Pam; broil 1-2 minutes.

4. 4

   Separate beef into 4 even piles; Top bottom half of each bun with a pile of roast beef and slice of Swiss cheese; Evenly spoon about 1/2 cup onion and 3 tablespoons of Cheddar cheese over top of remaining bun halves; Broil for 1-2 minutes.

5. 5

   or until cheese melts.

6. 6

   Sandwich each half together, cut in half and serve at once.

* Per serving · 4 servings · Values may vary.