Japan — mochitsuki tradition since Yayoi period rice cultivation; New Year mochi from Heian court
Traditional mochi production (mochitsuki) involves steaming glutinous rice (mochigome) until fully cooked, then pounding it with a large wooden mallet (kine) in a stone mortar (usu) while an assistant periodically wets their hands and turns the rice between strokes — requiring extraordinary coordination as the mallet falls with force. The repetitive pounding breaks the rice cell walls and develops the gluten-like protein network in the sticky starch, producing the characteristic stretchy, chewy, smooth texture. Modern machine production uses industrial mixers that replicate this action but lacks the community ritual aspect. Key mochi categories: kagami mochi (New Year display rounds); kiri mochi (rectangular grilled cakes); daifuku (sweet bean paste-filled rounds); hanami dango (spring cherry-blossom viewing dumplings); ohagi/botamochi (autumn rice cakes with bean paste); and kusa mochi (mugwort-tinted spring cakes). Each represents a distinct seasonal or ceremonial context.
Fresh mochi: subtle, milky-sweet with clean glutinous rice flavour; the flavour is principally textural — the stretchy, yielding chew is the eating experience; toppings (kinako, anko, soy+sugar) provide the primary flavour counterpoint
Mochigome (glutinous rice) must be used — regular japonica rice cannot produce mochi's stretchy texture (it lacks the waxy starch structure); steaming is superior to boiling for mochitsuki (drier cooked rice pounds better); pounding continues until no individual grains are visible and the mass is completely homogeneous; mochi should be worked while hot (it firms quickly as it cools); dusting with katakuriko or cornstarch prevents sticking during shaping.
Home mochi without a stone mortar: steam mochigome for 40 minutes, transfer to a moistened wooden bowl, pound with a wet rolling pin for 15–20 minutes (achievable with effort); microwave mochi shortcut: soak mochigome 1 hour, pulse in food processor while hot, then microwave in 30-second increments with stirring until cohesive and stretchy; the best fresh mochi experience in Japan is eating mochitsuki mochi at shrine festivals — the fresh-pounded mochi with kinako (roasted soy flour) and sugar is transcendent compared to commercial mochi.
Using regular Japanese rice instead of glutinous mochigome (completely different product — will not stretch or develop mochi texture); under-pounding (incomplete pounding leaves grainy texture); over-cooling before shaping (mochi firms rapidly and loses workability); handling without starch dusting (mochi sticks to everything and tears).
Japanese Cooking: A Simple Art — Shizuo Tsuji