Japchae is a popular Korean noodle dish made from sweet potato starch noodles, also known as glass noodles or dangmyeon.
The noodles are stir-fried with a variety of vegetables like spinach, carrots, mushrooms, and onions, and often mixed with beef or other proteins.
The dish is seasoned with soy sauce, sesame oil, and a bit of sugar, giving it a sweet and savory flavor.