Spicy Mongolian Beef is a fiery variation of the classic dish. It adds a kick of heat to the traditional recipe by incorporating spicy ingredients such as chili peppers, red pepper flakes, or Szechuan peppercorns. The heat level can be adjusted according to personal preference. The spicy Mongolian Beef is perfect for those who enjoy a bit of heat in their meals and want to add an extra layer of excitement to the dish.