1 lb. beef tenderloin, cut in 1/2 inch cubes
2-3 tbsp. vegetable oil
1/2 c. onion, diced
1 lb. fresh broccoli, florets
1/2 c. chicken broth
2 tbsp. soy sauce
1 tsp. cornstarch
4 med. fresh tomatoes, cut in wedges

Brown tenderloin cubes in hot oil in wok or skillet. Remove and drain. Cook onions in oil until tender, remove and add to beef. Add broccoli. Stir fry until broccoli is partially tender. Combine broth, soy sauce, and cornstarch in small bowl. Add reserved beef and onions to broccoli and pour broth mixture over all. Stir to mix. Lower heat to simmer, and simmer 5 minutes, covered. Add tomato wedges and gently mix with other ingredients. Cook until tomatoes are just heated through. Serve with rice.