Chili oil is a flavorful cooking oil infused with the heat and aroma of chili peppers. It is commonly used in various cuisines, particularly in Chinese and Sichuan dishes, to add spice and depth to meals. The oil is typically made by heating oil and steeping dried chili peppers, which allows the flavors to meld together. This versatile condiment can be drizzled over dishes like noodles, dumplings, or stir-fries, enhancing their taste. Additionally, chili oil can be used as a dipping sauce or a marinade, making it a popular choice for those who enjoy a bit of heat in their cooking.