Stir-Fry Beef And Vegetables - cooking recipe

Ingredients

1 lb. lean beef, thinly sliced across the grain
1/2 c. soy sauce
1/4 c. sherry
1 c. mild onions, thinly sliced
1 c. celery, sliced diagonally
2 c. broccoli flowerets
2 c. broccoli stems, peeled and thinly sliced
12 medium mushrooms, sliced
1/4 c. peanut or vegetable oil
2 small cloves garlic, minced or pressed
1 Tbsp. cornstarch
1 medium tomato, peeled and diced (for garnish, optional)

Preparation

Toss beef in a bowl with soy sauce and sherry.
Cover and marinate for 30 minutes.
Prepare vegetables.
Set aside.