Truita de carreroles, also known as mushroom omelette, is a classic dish in Andorra la Vella. It is made with fresh mushrooms, eggs, and onions, which are all cooked together in a pan. The omelette is seasoned with salt, pepper, and herbs, and it is typically served as a main course or as a filling breakfast option. Truita de carreroles is a simple yet satisfying dish that highlights the earthy flavors of mushrooms.