Ingredients
6 large portobello mushrooms (4 to 4-1/2 inches), stems removed2/3 cup Italian salad dressing1 package (10 ounces) frozen chopped spinach, thawed and squeezed dry1 package (8 ounces) cream cheese, softened1/4 cup grated Parmesan cheese3 garlic cloves, minced1/8 teaspoon salt1/8 teaspoon pepper6 slices part-skim mozzarella cheese
Preparation
Preheat broiler. In a large resealable container, combine mushrooms and salad dressing; seal and turn to coat. Let stand 15 minutes. Meanwhile, in a large bowl, combine spinach, cream cheese, Parmesan cheese, garlic, salt and pepper.
Drain mushrooms, discarding salad dressing. Place mushrooms in a foil-lined 15x10x1-in. baking pan. Broil 3-4 in. from heat until tender, 2-3 minutes on each side. Fill with spinach mixture; top with mozzarella cheese. Broil until cheese is melted, 2-4 minutes longer.