Calabrian chili peppers are small, red, and slightly wrinkled peppers native to the Calabria region in southern Italy. They are known for their vibrant flavor, which combines heat with a hint of sweetness. Typically measuring about 2 to 3 inches long, these peppers are often used in Italian cuisine, particularly in pasta dishes, sauces, and pizzas. These peppers can be found in various forms, including whole, dried, or as a paste. The heat level of Calabrian chili peppers ranges from moderate to hot, making them a popular choice for adding spice to dishes without overwhelming other flavors.