Brown beef and onion in large nonstick skillet over medium-high heat.
Stir in rice, broccoli, 1/2 cup cheese, salt, thyme, pepper, tomato sauce and Worcestershire sauce.
Turn into buttered 2-quart baking dish; sprinkle with remaining 1/2 cup cheese.
Bake at 350° F. 20 to 25 minutes.
Servings: 6