Give a personal touch to all your recipes with Knorr's Fish Stock Cubes. Knorr's Fish Stock Cubes are made with sustainable vegetables and herbs, with Extra Virgin Olive Oil and do not contain gluten, lactose, preservatives or any type of colorants, are low in fat and their packaging is made from sustainable cardboard. Knorr's Fish Stock Cubes are quick to prepare. You can use it in two ways: dissolving a cube in 500 ml of water or, alternatively, adding it directly to the dish preparation.