Beef and Vegetable Stir Fry

• 2 tablespoons apple cider vinegar
• 1 tablespoon soy sauce
• 12 teaspoon sugar
• 1 12 teaspoons grated peeled gingerroot
• 1 lb boneless round steak, fat trimmed and cut across grain into 1 1/2-inch strips, raw
• 2 tablespoons olive oil
• 2 medium onions, each cut into 8 wedges
• 12 lb fresh mushrooms, rinsed, trimmed, and sliced
• 2 stalks celery, cut into 1/4-inch slices (about 1/2 cup total)
• 2 small green peppers, cut into thin lengthwise strips
• 1 cup water chestnut, drained and sliced
• 2 tablespoons cornstarch
• 14 cup water

1. Prepare marinade, mixing vinegar, soy sauce, sugar, and ginger.
2. Marinate meat in mixture while preparing vegetables.
3. Heat 1 tablespoon oil in large skillet or wok.
4. Stir-fry onions and mushrooms for 3 minutes over medium-high heat.
5. Add celery and cook 1 more minute.
6. Add remaining vegetables and cook 2 minutes or until green pepper is tender crisp.
7. Transfer vegetables to warm bowl.
8. Add remaining 1 tablespoon oil to skillet.
9. Stir-fry meat in oil about 2 minutes or until meat loses its pink color.
10. Blend cornstarch and water.
11. Stir into meat.
12. Cook and stir until thickened.
13. Return vegetables to skillet; stir gently and serve.

apple cider vinegar, soy sauce, sugar, gingerroot, boneless round steak, olive oil, onions, mushrooms, stalks celery, green peppers, water chestnut, cornstarch, water

Taken from www.food.com/recipe/beef-and-vegetable-stir-fry-194579 (may not work)