Peel and finely chop sweet potatoes and kabocha squash.
Steam the sweet potatoes and kabocha squash.
Mash the cooked sweet potatoes and kabocha squash until smooth.
Add flour, sugar, and salt to the mashed mixture and mix well.
Add eggs and milk, then knead into a dough.
Shape the dough into round pieces.
Heat oil in a pan and cook over medium-low heat until golden brown.