Ingredients
3/4 pound Boneless, skinless, chicken breast, cubed
2 tbsp Olive or vegetable oil
1 Medium green pepper, chopped
1 cup Sliced fresh mushrooms
1 package (3-1/2 oz) sliced pepperoni
1 cup Spaghetti sauce
3 Pita breads (6 inches), halved, and warmed
Grated Parmesan cheese, optional