Bama Steak and Cheese Sandwiches

Bama Steak and Cheese Sandwiches
From Cristy Jordan at southernplate.com

1 pound Deli Roast Beef
1 to 2 Cups Mozzarella Cheese (or Provolone)
4 tablespoons butter
1 onion, chopped
1 bell pepper, chopped (optional)
3 to 4 Tablespoons Dale’s Sauce (or Moore’s Marinade)
Soft Deli Rolls (such as Sara Lee)

Chop up roast beef. In large skillet, melt 1/2 stick margarine or butter. Add 1-2 tablespoons sauce, according to taste. Add onions and peppers and sauté until tender. Add roast beef and additional sauce (according to taste) and continue cooking over medium heat until just warmed. Take off heat and sprinkle cheese over top. Let sit until melted and then spoon onto rolls.