Make this recipe a recipe that people in that category can eat. categories: ['low_fat'], recipe: remove thick end of mushroom stem, leaving about 1/2 inch (1 cm) attached to cap. place, smooth side up, in large, shallow glass dish. combine oil, vinegar, thyme, salt and pepper; pour over mushrooms, turning and brushing to coat evenly. let stand for 15 minutes. reserving marinade, place mushrooms, smooth side down, on greased grill over medium-high heat; close lid and cook for 5 minutes. turn and baste with marinade; cook, covered, for about 3 minutes or until mushrooms yield to the touch when pressed. arrange parmesan over top; cook, covered, for about 2 minutes or until melted.

Target recipe: combine cheese, butter, onion and spinach in a skillet over medium-low heat until cheese is melted. scrap the underside of the mushroom caps. chop and add to skillet. fill each mushroom cap with ¼ of the cheese mixture. bake at 350* for 15 minutes or until mushrooms are tender.