Chicken Florentine With Fresh Mushrooms
["4 skinless, boneless chicken breast halves", "1 small onion, quartered", "1 Tbsp. reduced calorie margarine", "2 c. sliced fresh mushrooms", "1 pkg. (10 oz.) frozen chopped spinach, cooked and drained, or 2 c. chopped cooked fresh spinach", "1/4 tsp. nutmeg", "1/4 tsp. salt", "fresh ground pepper", "4 tsp. grated Parmesan cheese"]
["In medium size saucepan, combine chicken breast and onion with water to cover.", "Cover and poach over medium-low heat until just white throughout, about 20 minutes.", "Meanwhile, melt margarine in a large frying pan.", "Add mushrooms and cook until tender, about 5 minutes.", "Preheat broiler.", "Place spinach in an 8-inch baking dish. Sprinkle with nutmeg, salt and pepper to taste.", "Arrange chicken in single layer over spinach.", "Top with mushrooms.", "Sprinkle with cheese.", "Broil 1 to 2 minutes until cheese is melted."]
["skinless", "onion", "margarine", "mushrooms", "spinach", "nutmeg", "salt", "fresh ground pepper", "Parmesan cheese"]