Japanese Ohagi and Botamochi: Seasonal Inversion of Mochi and Anko

Ingredients

• 300 g Japanese short-grain rice (japonica), or 150 g short-grain rice and 150 g mochigome (glutinous rice), combined
• For tsubu-an (whole-bean paste) coating
• 400 g tsubu-an or koshi-an (sweet red bean paste), cooked to a slightly drier consistency than table anko; warmed to room temperature before use
• For kinako coating
• 80 g kinako (roasted soybean flour)
• 2 tbsp caster sugar, mixed with the kinako
• 1 pinch fine salt, mixed with the kinako
• For sesame coating
• 80 g black sesame seeds, dry-roasted and coarsely crushed (neri-goma style); mixed with a pinch of salt and sugar to taste

Method

1. 1
   Rinse the rice in several changes of cold water until the water runs nearly clear. Drain and cook using slightly less water than the standard absorption measure, so the finished rice sits at the firm, sticky end of its range. When cooked, remove from the heat, cover, and rest for 10 minutes. The surface of the rice should be glistening and each grain fully swollen but still distinct.
2. 2
   Transfer the hot rice to a suribachi or large bowl. Using a pestle or a wet wooden spoon, pound and fold the rice with intermittent, irregular strokes. The target is han-neri: approximately half the grains broken down into a cohesive paste, the remaining half still visibly whole. This is where the dish lives or dies — over-pounding produces standard mochi texture, erasing the confection's identity; under-pounding leaves the rice unable to hold its form. Stop when the mass is sticky and cohesive but plainly grainy to the eye.
3. 3
   While the rice is still warm, portion it into balls of 40–50 g each. Wet your hands lightly between each ball to prevent sticking. The rice should hold its rounded shape without cracking at the surface.
4. 4
   For anko-coated ohagi: flatten a portion of warmed anko (roughly 30–35 g) in the palm of a dampened hand, lay the rice ball at the centre, and fold the paste up and around to enclose it completely. Press gently to consolidate. The anko layer should be uniform, with no rice visible through it, and firm enough to hold a smooth outer surface without cracking.
5. 5
   For kinako ohagi: combine kinako, sugar, and salt in a shallow tray. Roll each rice ball through the mixture, pressing lightly so the flour adheres on all sides. Apply the coating heavily enough that no rice shows through — the finished surface should appear as a uniformly dusty, matte sphere.
6. 6
   For sesame ohagi: spread the crushed, seasoned black sesame over a flat plate. Roll each rice ball through the sesame, pressing lightly to embed the seeds. The surface should be fully covered with no white rice visible, and the sesame should smell deep and oil-rich — the aroma of roasted sesame is the indicator that the seeds were adequately toasted before crushing.
7. 7
   Arrange the finished ohagi on a flat surface or tray without stacking. They are ready to serve at room temperature, and are at their best on the day of preparation. The outer coating — whether anko, kinako, or sesame — should feel dry to the touch and show no signs of moisture migration from the rice interior.