Deglazing a pan after cooking aromatics dissolves the flavorful fond (the browned bits stuck to the bottom) and incorporates it into a sauce or gravy, adding depth and richness to the dish.
Deglazing is a simple yet powerful technique that elevates your cooking. After sautéing aromatics like onions, garlic, or shallots, or searing meat, a layer of browned bits, called the fond, forms on the bottom of the pan. This fond is packed with concentrated flavor. Deglazing involves adding liquid, such as wine, broth, stock, or even water, to the hot pan and scraping up the fond with a spoon or spatula. The liquid loosens the caramelized sugars and proteins, dissolving them into the liquid. This creates a flavorful base for a sauce, gravy, or pan sauce. The process not only adds flavor but also cleans the pan, making cleanup easier. The type of liquid you use will influence the final flavor profile of your dish. For example, using red wine will add a rich, fruity note, while chicken broth will provide a savory base.
Be careful not to burn the fond before deglazing. If the pan is too hot or the fond is too dark, it can become bitter. If this happens, discard the burnt fond and start again with a clean pan.