Combine broccoli, onions, and mushrooms in greased 25 cm microproof quiche dish or pie plate. Cover and cook on HIGH (maximum power) 5 minutes. Blend eggs and half and half in medium bowl. Add rice, cheeses, salt, and pepper; stir. Pour mixture over vegetables; stir gently. Cook uncovered on MEDIUM (50% power) 9 to 11 minutes, or until quiche is set. Let stand 10 minutes. Garnish with tomato rose. Each serving provides: * 221 calories * 12.6 g. protein * 13.2 g. fat * 12.8 g. carbohydrate * 239 mg. sodium * 171 mg. cholesterol