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Uiro (ういろう, steamed rice-flour cake)

Dense, smooth steamed cake of rice flour and sugar, flavoured with matcha

Uiro is the classic sweet of Nagoya, sold in long blocks at the station as a souvenir, and Yamaguchi has its own lighter version made with bracken starch. It is eaten through the year with tea, and in June a triangular version topped with azuki, minazuki, is eaten in Kyoto to mark the halfway point of the year. A simple batter of non-glutinous rice flour, sugar and water is steamed into a firm, smooth, slightly springy cake with a gentle sweetness. This one is flavoured with matcha; stir in a little sweet bean paste or sakura instead for variety. Uiro is naturally egg-free: steaming cooks the rice starch, which sets the cake into a dense, clean-cutting slab with no binder needed. Chef's tip: the common mistake is cutting it hot; let it cool completely, then slice with a wet knife or a piece of cling film, or it smears.
Total time
75 min
Difficulty
easy
Serves
8
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Ingredients

Serves8

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What you'll need

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Method

0/6 done
  1. Step 1: Line a 15 cm square tin or heatproof container with parchment and brush the sides with 1 tsp neutral oil.

  2. Step 2: Whisk 5 ½ oz joshinko (fine non-glutinous rice flour), ⅔ oz potato starch, 4 oz caster sugar and 2 tsp matcha powder together, then whisk in 1 cup water gradually until smooth and lump-free.

  3. Step 3: Pour the batter into the tin, cover the top loosely with a cloth-wrapped lid so condensation does not drip on it.

  4. Step 4: Steam over boiling water for 15 minutes, then stir the half-set batter with a spatula to keep it even.

    15 min
  5. Step 5: Smooth the top and steam for 15–20 minutes more, until the cake is slightly translucent, firm and a skewer comes out clean.

    20 min
  6. Step 6: Cool completely, about 30 minutes, then cut into slices with a wet knife. Wrap well; it keeps 2 days at room temperature.

    30 min

Nutrition per serving

Calories
140 kcal
Protein
1 g
Carbs
33 g
Fat
1 g
Fibre
1 g

Nutrition values are estimates.

K
Recipe by

KrazyBadal

All recipes by this chef →

Good to know

How long does uiro (ういろう, steamed rice-flour cake) take?
About 75 minutes in total: 40 minutes to prepare and 35 minutes to cook.
How many people does it serve?
8 as written. Change the servings above the ingredients and every amount scales to match.
Is it vegan?
Yes. It has no meat, fish, dairy or eggs.
Is it gluten free?
Yes, as written. Check the labels on stock, sauces and spice mixes, which sometimes contain gluten.
Can I make it ahead?
Yes. It keeps well, so you can cook it earlier in the day or the day before and reheat it.
What can I use instead of caster sugar?
Caster sugar, same amount.

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