Deep fry the Mandu until golden brown.
Then set aside.
Add yeast, flour, sugar, salt and egg with warm water and knead evenly,
then let it rise at room temperature for about 30 minutes.
After putting the fried Mandu on a skewer, coat the dough evenly,
and then coat it evenly with breadcrumbs.
Deep fry in 170 ℃ oil for about 5 minutes.
Serve with sugar, ketchup, or mustard according
to your preference.