Beef And Vegetable Stir Fry

1. 2 tablespoons vegetable oil
2. 1/2 pounds boneless top sirloin steak — thinly sliced into bite-size
3. pieces
4. 1/2 cup sliced onion
5. 1 tablespoons minced garlic
6. 1 tablespoons minced ginger
7. 1 bag fresh mixed vegetables stir-fry medley (12-ounce)
8. 1 pack sliced mushrooms (6-ounce)
9. 1 can water chestnuts (8-ounce)
10. 1 red bell pepper — sliced into strips
11. 2 tablespoons oyster sauce
12. 1/2 teaspoons red pepper flakes
13. 1 pack stir-fry seasoning mix
14. Steamed white rice — for serving

In a large skillet or wok, heat 1 tablespoon of oil over high heat. Add the beef and stir-fry for about 3 minutes. Remove beef and reserve. To the same wok, add the remaining oil and saute the onions, garlic, and ginger. Add the stir-fry vegetable medley, mushrooms, water chestnuts, and red bell peppers. Stir-fry for about 3 minutes and return the beef to the wok. Stirring constantly, add the oyster sauce and crushed red pepper flakes. In a small bowl, whisk the stir- fry seasoning mix with 1/8 cup water until combined. Add the seasoning mixture to the wok and stir for another 3 minutes. Serve with steamed instant white rice.