Original Better Than BouillonĀ® Mushroom Base is made with mushrooms. This gives it a richer, more robust flavor than ordinary bouillons or soup stocks. Better Than Bouillon blendable bases easily spoon right out of the jar and let you add as much, or as little, flavor as desired. From marinades, glazes and vegetables to soups, sides and slow cooker dishes, Better Than Bouillon Mushroom Base adds flavor to all your favorite dishes.