Stock cubes are small, concentrated blocks made from dehydrated meat, vegetables, and seasonings. They are used to create flavorful broths and soups by dissolving them in hot water. Stock cubes come in various flavors, including chicken, beef, and vegetable, making them versatile for different recipes. To use a stock cube, simply add it to boiling water and stir until it dissolves. This creates a quick and easy base for soups, stews, and sauces. Stock cubes are a convenient alternative to making homemade stock, saving time while still enhancing the taste of dishes.