Philly Cheesesteak Flatbread

Ingredients

1. 1
   1
   Sweet red bell pepper, Sliced
2. 2
   1
   Sweet green bell pepper, Sliced
3. 3
   1
   Small onion, Sliced
4. 4
   2 Tbsp(s)
   Olive Oil
5. 5
   8
   Sirloin Steak, Sliced
6. 6
   1/4 cup
   Dijon mustard
7. 7
   1/4 cup
   Balsamic vinegar
8. 8
   1/4 cup
   Olive Oil
9. 9
   2
   Garlic cloves, Minced
10. 10
    Salt & pepper
11. 11
    8 Slices
    White American cheese
12. 12
    1
    Flat bread pizza crust

Steps

1. Preheat oven to 425°F.
2. In a bowl, combine the mustard, balsamic vinegar, ¼ cup olive oil, garlic, salt and pepper. Add the steak, refrigerator for 30 minutes.
3. On a sheet pan coated with nonstick cooking spray, toss the peppers and onion with 2 tablespoons olive oil. Add the beef; bake for 15-18 minutes or until vegetables are tender. 
4. Top with 8 slices of American cheese; bake an additional 3 minutes or until melted.
5. Serve on flat bread pizza crust.