Filled dough producing apparatus is disclosed for making a food product, such as baozi, a traditional Chinese food; by folding and constricting close a circular dough wrapper around and encasing its dough filling in an apparatus that comprises a folding tubular assembly made of an assembly of multiple jointed corrugated tubes. Been flexible radially and axially, the filled dough producing apparatus changes shapes by flexing fully opened to expose a filled dough receiving pocket, and by flexing fully closed the receiving pocket into a filled dough cavity.
