Make this recipe a recipe that people in that category can eat. categories: ['low_calorie'], recipe: in a small bowl, combine the garlic, rosemary, olive oil, and vinegar. mix well. using a pastry brush, cover both sides of the portobello mushrooms with the mixture. cover and refrigerate for 30 minutes. preheat the grill or oven broiler. grill the mushrooms on low heat, or place them on a rack that is low in the oven. cook each side of the portobello for 5 minutes. serve immediately.

Target recipe: place mushrooms in a quart size zip lock bag combine remaining ingredients except cheese and pour over the top of the mushrooms. marinate for 1-2 hours, tossing once or twice. remove from marinade and cook on hot grill for 3 minutes on each side watching carefully not to burn. serve as a side dish, main course, or on a roll (burger substitute). topped with shaved cheese.