Gyōza (Pan-Fried Dumplings — Crisp Skirt Pleating Technique)
Japan (nationwide), with strongest regional identity in Utsunomiya (Tochigi) and Hamamatsu (Shizuoka), both cities with claims as 'gyōza capitals'; Manchurian Chinese origin adapted post-WWII
Japanese gyōza are a post-WWII adaptation of Chinese jiǎozi, brought to Japan by soldiers and settlers returning from Manchuria in the 1940s. They have since evolved into a distinctly Japanese dish — thinner-skinned, smaller, with a garlic-heavy filling compared to many Chinese versions, and defined by the hane (wings or skirt) technique that creates a connected, lacy crisp crust across the entire bottom of the pan rather than individual crisp bases.
The hane technique is what separates Japanese pan-fried gyōza from the rest of the world's pan-fried dumpling traditions. After the initial pan-frying creates colour on the bottom, a starch-water slurry (katakuriko — potato starch — dissolved in cold water) is added to the pan and the lid is immediately placed on. The steam from the slurry cooks the tops of the dumplings while the liquid reduces and the remaining starch binds the bases together into a single, unified, translucent sheet of crisp starch. When the gyōza are inverted onto a plate, they arrive as a connected flower-like arrangement, the hane visible as a golden-brown, paper-thin lattice.
The filling is a specific balance of pork mince, nira (garlic chives), cabbage (salted, squeezed dry, and finely chopped), garlic, ginger, soy, sesame oil, and oyster sauce. The cabbage moisture must be fully expressed before combining with the meat — any residual water makes the filling loose and the skin wet, preventing adhesion.
Pleating is the wrapper-sealing technique. The skin is placed in the palm, filling added, and one edge is folded up and pleated in a series of small folds against the flat back edge. A skilled gyōza maker creates seven to nine pleats per dumpling with a single-handed motion. The number and uniformity of pleats indicates craft level.