03Brush the mushrooms on both sides with the remaining oil and season with salt and pepper. Grill the mushrooms, stem side down, for 3 minutes. Turn the mushrooms over and grill for 2 minutes until tender. Fill each mushroom with the sausage mixture and top with the remaining Gorgonzola. Return the mushrooms to the grill and cook until the stuffing is warmed through and the cheese starts to melt, about 5 to 7 minutes.04Cook's Note: The assembled mushrooms can also be placed on a baking sheet and cooked under a preheated broiler until warmed through.