Soboro-ppang
Soboro-ppang, or Gombo-ppang, often translated as soboro bread, soboro pastry, or soboro bun, and also known as Korean streusel bread, is a sweet bun with a streusel-like upper crust popular in Korea. The bun is made of flour, sugar, eggs, and dough and baked with a crisp, bumpy surface on top. The word "soboro" is a japanese word and refers to the streusel topping of the bun, which is often made with peanut butter as a key ingredient.
