The Korean instant noodle Samyang Buldak Hot Chicken Flavour Ramen, popularly referred to as Fire Noodle Challenge, is renowned for its potent spice. It's a "stir-fried" type of noodle, which is made by boiling and draining noodles before adding toppings and a hot sauce. The original package is a favorite among spice enthusiasts since it has 4,404 Scoville units.