Herb blends are mixtures of various dried herbs that are combined to enhance flavor in cooking. These blends can include common herbs like basil, oregano, and thyme, and are often used in cuisines around the world. They provide a convenient way to add depth and complexity to dishes without needing to measure out individual herbs. Many herb blends are specifically crafted for certain types of cuisine or dishes, such as Italian seasoning or Herbes de Provence. They can be used in marinades, sauces, and soups, making them versatile ingredients in both home and professional kitchens.