A traditional artisan bake offering a delicate, buttery crumb and golden exterior, served fresh with clotted cream, preserves, or rich salted butter.
Dissolve the yeast and sugar in the warm water, then mix with the flour.
Knead into a smooth dough and let rise until doubled, about 1 hour.
Divide the dough into 10 pieces, flatten each, and wrap a spoon of bean paste.
Pleat the edges closed and shape into smooth rounds.
Rest the buns for 20 minutes.
Steam over boiling water for 15 minutes, then serve warm.