Preheat oven to 350 degrees.
Brown beef and onion in large nonstick skillet over medium-high heat.
Stir in rice, broccoli, 1/2 cup cheese, salt, pepper, tomato sauce and Worcestershire sauce.
Turn into greased 2-quart baking dish; sprinkle with remaining 1/2 cup cheese.
Bake for 20 to 25 minutes.
Nutrition Information per serving:
307 cal., 3 g. fat, 3 g. fiber