Mongolian Beef - cooking recipe

Ingredients

1/2 flank steak (12 oz.)
10 whole scallions, trimmed
1 egg
1 Tbsp. cornstarch
1 tsp. soy sauce
1 tsp. sugar
1 tsp. salt
1 tsp. cooking wine
1 tsp. pepper
1 tsp. cooking oil

Preparation

Cut meat across the grain into thin slices, 2-inches long. Combine soy sauce, 1 tablespoon cornstarch, sugar, salt, cooking wine, pepper, cooking oil and egg in medium glass or plastic bowl; beat lightly with a fork.
Mix in meat.
Let stand 30 minutes, stirring occasionally.