Chawanmushi is a delicate Japanese savory egg custard made with eggs, dashi, and mirin, then gently steamed until silky and topped with shiitake mushrooms and fish cake. Its defining trait is its custard-like texture achieved through precise steaming temperature control.
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Soak shiitakes in ½ cup boiling water until reconstituted, about 10 minutes.
Whisk egg, dashi, soy sauce, and mirin together until homogenous, but not foamy. Strain mixture through a fine mesh sieve into a medium bowl.
Remove shiitakes from water. Divide shiitakes between 2 ramekins or cocottes and then pour egg mixture over top.
Cover ramekins with foil or plastic wrap and place in a Suvie pan. Fill pan with water to just below the top of the ramekins and insert into top zone of your Suvie.
Place carrot slices in a separate Suvie pan and insert into the bottom zone of Suvie. Input settings, and cook now or schedule.
Cook using Sous Vide settings: Bottom Zone at 175°F for 1 hour, Top Zone at 175°F for 1 hour
Remove pans and ramekins from Suvie. Top egg mixture with carrots, scallions, and other garnishes.
Chawanmushi keeps refrigerated in its steaming bowl for up to 2 days; reheat by steaming for 2–3 minutes or serve chilled.
steaming basket or bamboo steamer · heatproof lidded bowls (chawanmushi cups or small ceramic bowls with lids)
Chawanmushi is a traditional Japanese appetizer made from a savory egg custard base flavored with dashi, soy sauce, and mirin, then steamed in a lidded bowl until set but still creamy, and topped with garnishes like mushrooms and fish cake.
Use low to medium-low heat (around 160°F water temperature) and steam for 12–15 minutes until just set. Avoid boiling water, which causes the custard to develop a grainy, curdled texture. The custard should jiggle slightly when gently shaken.
Yes, chawanmushi can be made up to 1 day ahead and refrigerated in its steaming bowl. Reheat gently by steaming for 2–3 minutes until warmed through, or serve chilled.
Light chicken broth or kombu-shiitake stock work as substitutes, though they will slightly alter the traditional umami flavor. Instant dashi powder dissolved in water is an easy shortcut.
Traditional chawanmushi can be made gluten-free by using tamari or certified gluten-free soy sauce in place of regular soy sauce, provided all other ingredients (dashi, mirin, garnishes) are also verified gluten-free.
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