Bouillon is a flavorful broth made by boiling meat, seafood, or vegetables with herbs and spices, commonly used in various dishes like soups and sauces. While homemade bouillon is preferred, convenience options like bouillon cubes and granules are available for quick flavor enhancement in cooking. Bouillon can be utilized in numerous ways, including as a base for soups, a flavor enhancer for stews and stir-fries, or for poaching ingredients.