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1
Select the donabe (earthenware pot) appropriate to the nabe format. Place it over a portable burner at the table, or prepare it on the stove for transfer. Wipe the interior if using donabe for the first time in the season — the clay vessel retains heat gently and imparts a mineral character the dish depends upon.
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2
For yudofu: place the kombu in cold water in the donabe and bring slowly to just below a simmer. For sukiyaki (Kansai): combine soy sauce, mirin, and sugar into tare and set aside. Wipe the cast-iron pan with beef fat over medium heat until a light fond forms — this is the foundation of the sukiyaki's depth. For mizutaki: cover chicken pieces with cold water, bring to a boil, discard the first water, then cover with fresh water and simmer until the broth turns opaque and rich with collagen.
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3
Establish the cooking order without deviation: firm vegetables — negi, hakusai stems, shirataki — enter the pot first and cook until just yielding. Delicate proteins and silken tofu enter last, only when the communal meal has begun. This sequence is not preference but protocol; tofu and thin-sliced beef added at the start will be overcooked before the first diner lifts their chopsticks — this is where the dish lives or dies.
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4
For sukiyaki (Kansai): once the fond is set, add all ingredients together — beef, tofu, vegetables, shirataki — and pour the tare over. The ingredients simmer together in the sweet-soy liquid until the beef is just cooked through but still tender. Each diner dips each piece into a bowl of raw beaten egg before eating — the egg coats and tempers the sweetness. For mizutaki: diners take pieces from the communal pot and dip into ponzu with momiji-oroshi (grated daikon and dried chilli) alongside. For yudofu: the tofu is lifted from the barely-simmering kombu dashi when it trembles at the edges and is served with a simple dipping sauce of soy and dashi.
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5
When the proteins are finished, do not discard the remaining broth. The shime is obligatory: the concentrated end-broth is the most complex and layered part of the nabe experience. For heavy, protein-forward nabe (sukiyaki, mizutaki), add udon and simmer until just softened. For delicate dashi-forward nabe (yudofu), stir in cooked rice to make a soft porridge. The shime is done when the starch has absorbed the broth and the liquid is nearly entirely taken up.