Agedashi Dofu Deep-Fried Tofu Dashi Sauce

Japan — agedashi dōfu documented in Edo period recipe collections; became a standard restaurant preparation across all levels of Japanese dining from izakaya to kaiseki; the tentsuyu sauce proportion is a constant across regional variations

Agedashi dōfu (揚げ出し豆腐) is one of Japanese cuisine's most technically demanding seemingly-simple preparations — tofu that has been dried, coated in potato starch, and fried until a crisp, almost translucent shell forms, then placed in a puddle of a very hot, delicate dashi-based sauce. The technical challenge is precisely this contrast: the crisp potato starch shell must remain intact long enough to eat, while the hot dashi (tentsuyu-style: dashi, mirin, soy in approximately 6:1:1 ratio) simultaneously softens the bottom edge. The moment of service is critical — agedashi dōfu must be served and consumed immediately; any delay means the starch shell absorbs the broth and becomes a soggy, undifferentiated mass. The tofu selection matters: firm tofu (momen) holds its shape through frying; silken (kinugoshi) can be used but requires extremely careful handling and produces a different, more delicate result. The drying stage is non-negotiable: tofu pressed under weights for 15-30 minutes before starch application removes interior moisture that would otherwise create steam during frying, causing the shell to burst. Garnishes for agedashi dōfu are precise: finely grated daikon oroshi floating in the sauce, katsuobushi flakes dancing from the residual heat, finely cut green onion, grated ginger, and occasionally a small amount of nanohana or kinome in season.

The crisp potato starch exterior provides textural contrast to the soft, neutral tofu within; the tentsuyu sauce (dashi-forward, gently savoury) provides the flavour that the tofu itself lacks; daikon oroshi adds cool freshness; katsuobushi contributes oceanic depth; the dish is more about textural philosophy than flavour complexity