Italian beef sandwiches are a delicious Chicago-style treat made from thinly sliced, seasoned roast beef. The beef is slow-cooked until tender and then served on a crusty Italian roll. Often, the sandwich is dipped in the flavorful cooking juices, giving it a juicy and savory taste. To enhance the flavor, many people add giardiniera, a spicy pickled vegetable mix, or sweet peppers. This combination of tender beef, flavorful juices, and zesty toppings makes the Italian beef sandwich a beloved comfort food. It's perfect for a quick lunch or a satisfying dinner, showcasing the rich culinary traditions of Chicago.