Gyū-katsu Sando (牛カツサンド, beef cutlet sandwich)

The fear with gyū-katsu sando is the pink center. People look at the breaded cutlet, the neat square of shokupan, the clean slice showing beef still rosy, and decide this must belong to a specialist shop. It doesn't. The dish asks for one thing before technique: beef good enough to show plainly.

Sourcing comes first. Use a tender whole-muscle cut, not ground beef, and buy it from a butcher you trust. The sauce is not there to hide anything. It should sharpen the beef, not bury it. This is honmono when the crust is crisp, the meat is glistening fresh and gently warm inside, and the bread stays thin and sound around it.

The one detail that decides it is timing. The cutlet must be cold when it goes into hot oil, so the panko browns before the beef cooks through. Rest it before slicing, because the juices need a minute to settle or they will run straight into the bread, and then the sandwich turns soft where it should be clean. Butter protects the shokupan, mustard wakes the fat, and a measured line of sauce gives shape to the sweetness.

Serve it as we do with rich things: small, exact, and with room left around it. A gyū-katsu sando is not a pile of sandwiches. It is a few cut faces, arranged so the beef can be seen, the crust can be heard under the teeth, and the table stays calm.