Beef and Broccoli Stir Fry

2 cups broccoli florets

1/2 onion, chopped

1/4 cup oyster sauce

1/4 cup beef broth

1 teaspoon sugar

2 teaspoons sesame oil

1 teaspoon souy sauce

1 teaspoon corn starch

1 1/2 pounds flank steak

Mix oyster sauce, beef broth, sugar, soy sauce, cornstarch set aside.

Sauté broccoli in sesame oil for one minute then set aside.

In same oil saute flank steak then add back broccoli.

Pour liquid mixture over and cook until sauce is reduce by half and thickened.