Cream pan is the custard sibling of the kashipan family, and you know it on sight by its glove. The standard form is a soft enriched roll sealed around a generous pocket of pastry cream, then shaped so the closed edge fans into a row of plump fingers, a flattened mitten or shell rather than a round bun. The shape is not only decoration: the broad flattened body keeps the custard in an even layer so it does not pool in one fat lump, and it gives a high filling-to-dough ratio. The constant is the pairing of tender sweet bread and cool thick custard, and the glove silhouette is how the genre signs its name.
The two halves each demand care. The dough is an enriched kashipan base, often a yudane or tangzhong style for a soft, slightly chewy crumb that stays tender for a day rather than drying by afternoon, with a thin burnished egg-washed top. The cream is a proper kasutaado, a vanilla pastry cream cooked with egg yolk and a little flour or starch until it is thick enough to hold a clean line, smooth and not weeping, sweet but carried by real vanilla rather than only sugar. The seam has to be sealed well so the custard does not blow out in the oven, and the filling has to reach into the fingers, not stop short at the body. A good one is heavy in the hand, custard from edge to edge, the underside fully baked and dry, the cream cool and silky against the warm-tender crumb. A sloppy one is light and airy with a thin off-center smear near the middle, empty hollow fingers, an oversweet starchy filling and a doughy base that never set.
The variations mostly swap or tint the cream. Vanilla custard is the standard; bakeries also run matcha, chocolate, coffee, or fruit creams, and seasonal editions fold in chestnut or sakura. Some flatten the glove hard for maximum crust-to-cream contrast; others keep it plumper and rounder. A whipped-cream hybrid, kasutaado cut with fresh cream, eats lighter and cooler. The cone-shaped choco cornet and the bean-paste an pan share the enriched dough and the filled-pocket logic but commit to other shapes and fillings, and each deserves its own article rather than being crowded in here.