Porcini Mushroom Stock A SPECIALTY FOR REFINED BROTH AND RISOTTO. Porcini mushroom stock is one of Bauer's great creations. Only with top quality porcini mushrooms and selected vegetables. A special stock but very versatile: risotto and broth, but not only. DEDICATED TO THOSE WHO LOVE THE FRAGRANCE OF THE UNDERGROWTH GLUTEN AND LACTOSE FREE • WITHOUT ADDED MONOSODIUM GLUTAMATE AND HYDROGENATED FATS