Philly Cheese Steak

Directions

1. 1
   Preheat oven to 500 degrees Fahrenheit.
2. 2
   Heat 3 tablespoons of olive oil in large saute pan, over medium high heat, add onion; saute 10 minutes until golden.
3. 3
   Add green or red pepper, mushrooms, and pepperoncini to pan; continue to saute another 5 minutes until browned.
4. 4
   Slice roast beef into 1-1/2 inch strips.
5. 5
   Turn heat to medium; add roast beef strips to the vegetables.
6. 6
   Add oregano and salt/pepper to taste; stir-fry all together 3 to 5 minutes.
7. 7
   Place mixture on 1/2 of opened hoagie rolls on a lined baking sheet.
8. 8
   Top each half with two slices of provolone cheese.
9. 9
   Cook in oven until roll is toasted and cheese is melted.
10. 10
    HORSERADISH SAUCE:
11. 11
    Mix sour cream and horseradish sauce together in bowl.
12. 12
    After sandwiches are prepared, right before serving, drizzle sauce on top or slather on.