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Japanese · Soup

Japanese Sweet Potato Broth

A izakaya-style take on Sweet Potato Broth, built on soy and ginger and finished the way we like it. Ready in about 30 min and easily enough for 8 people.

4.7 from 1,310 cooks
Prep10 min
Cook20 min
Serves8
LevelEasy
Free to cook
Japanese Sweet Potato Broth
Method

How to cook it

Prep everything first: chop the aromatics, measure the soy and ginger elements, and pat the sweet potato dry so it colours well.

Warm the olive oil in a large pan over a medium heat and soften the onion and garlic until sweet and translucent, about 5 minutes.

Add the sweet potatoes and char until it takes on colour and the edges catch, 4 to 6 minutes.

Stir in the white miso and the rest of the soy and ginger flavours, letting them cook out for a minute until fragrant.

Add the asparagus along with a splash of stock or water, then cook briskly until everything is tender and the sauce clings.

Taste and adjust the seasoning with salt, pepper and a little acid. It should taste bright, savoury and balanced.

Tested in the Stewart & Musell kitchen. Timings assume a standard home oven and hob.

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