Spicy Beef & Broccoli Stir-Fry

1/4 cup soy sauce
1 T cornstarch
2 T vegetable oil
1 boneless beef top sirloin steak (1 1/2 pounds), trimmed
3 cup broccoli flowerets
1 med. onion
1 med. red pepper
2 garlic cloves, pressed
1 tsp. peeled fresh ginger root, finely chopped
1/4 tsp. red pepper flakes
1/2 cup beef broth

Whisk together soy sauce, cornstarch and 1 T of the oil.  Cut steak lengthwise in half and then crosswise into 1/4" strips.  Add beef to soy sauce mixtures; toss to coat.  Cover and refrigerate 15 minutes to marinate.  Cut broccoli into flowerets and onion into thin wedges.  Cut bell pepper into 2" strips.  Heat 1 tsp of the remaining oil over med-high heat.  Add half of the beef, garlic, ginger and red pepper flakes to skillet.  Stir-fry until outside surface of beef is no longer pink.  Remove from skillet and keep warm.  Add 2 more tsp of oil to the skillet and heat until hot.  Stir-fry the rest of the beef, garlic, ginger, and red pepper flakes.  Remove from skillet.  Heat remaining t tsp. oil in same skillet until hot.  Add broccoli, onion, and bell pepper until crisp-tender.  Return beef to skillet, add broth.  Bring to a boil for 1 minute, stirring until sauce is slightly thickened.

4 serving.

Serve over cooked rice or Asian noodles.