Simple clean and chop the porcini keep the tops for grilling. toss the chopped porcini in the pan with butter, oil, garlic, white wine, salt and pepper. Throw in the nipitella or thyme. Cook in another pan 2 eggs mixed with 1/3 tsp of baking powder make a thin omelet fill with the mushroom mix and top. Grill the tops on a grill with some olive oil. serve some sour cream with chives on the side.