2 tablespoons vegetable oil
2 bell peppers (1 red, 1 green), cut into thin strips
1 onion, thinly sliced
1 1/4 pounds deli roast beef, cut into 1-inch strips
1/2 teaspoon salt
1/4 teaspoon black pepper
4 pitas, cut in half, with pockets open
1 cup cheese sauce (see Notes)
Directions1.In a large skillet over medium-high heat, heat oil until hot; cook peppers and onion 8 to 10 minutes, or until vegetables are tender. Transfer to a bowl and set aside.
2.Add beef to skillet and sprinkle with salt and pepper; saute 2 to 3 minutes, or until no pink remains in the beef.
3.Place beef in pita pockets, top with vegetables, and drizzle with melted cheese. Serve immediately.