Black bean noodles is similar to Beijing Zha Jiang Mian. Both of these black bean noodles use bean paste but the Korean version--jajangmyeon uses pork belly, zucchini, potato, onion, daikon radish, and chunjang.
This sweet and savory noodle dish, jajangmyeon (or jjajangmyeon), is a popular Korean-Chinese noodle dish. It’s a huge part of Korean food culture. In recent years, jajangmyeon has become a symbolic dish that single people eat with their friends on Black Day to commiserate with each other over black noodles.