Black Sesame Ice Cream (黒ごまアイスクリーム, Kuro Goma Ice Cream)

Black sesame is quiet until you warm it. Then it gives itself away: nutty, smoky at the edge, a little bitter in the best sense. This ice cream depends on that moment. Use old, tired seeds and the custard will taste flat. Toast them fresh, grind them well, and the flavor arrives before the spoon does.

The hesitation here is usually the color. Good kuro goma ice cream is not black like ink. It's deep gray, sometimes almost charcoal, with tiny specks showing where the seeds were ground. That is the sign of the real thing. If it looks too smooth and too dark, someone has probably helped it along with coloring, and help of that sort is not help.

The one detail that decides it is the paste. Grind the toasted seeds with a little sugar while they are still warm, because warmth lets their oil loosen and the sugar helps break them down. A suribachi, the ridged Japanese mortar, gives the finest texture by hand. A spice grinder works too, and no pride is injured. What matters is that the seed becomes fragrant and oily before it meets the cream.

Serve this in a small bowl, not a tall heap. It belongs at the end of a Japanese meal as a restrained sweet, rich but not loud, the savory edge of sesame keeping the sugar in its place. Leave it room. Even dessert benefits from manners.