Recipes

Koji

Tomato and Shio Koji Marinade with Dill

A summer favourite at home: ripe tomatoes and dill tossed with shio koji and coarse garlic granules. Four ingredients, no cooking — the koji brings out the sweetness of the tomatoes.

Serves
Serves 2
Time
About 10 minutes
Two hands holding a glass container of tomato and koji marinade scattered with dill

Ingredients

  • Tomatoes3 (about 450 g)
  • Shio koji2 tbsp
  • Coarse garlic granules1/4 tsp
  • Dill2 sprigs

Method

  1. Cut the tomatoes into bite-sized pieces and roughly chop the dill.
  2. Mix everything together.

Tips

  • Shio koji is a Japanese seasoning made from rice koji, salt and water, with a soft, rounded umami. Find it at Japanese grocery stores or online, or make your own.
  • As a guide, use shio koji at about 10% of the weight of the tomatoes. Saltiness depends on how sweet and large the tomatoes are, so taste and add more if needed.

Shio koji works like salt, but adds a soft umami — here it is all the tomatoes need. To make your own, see How to Make Shio Koji. In UMAMI & KOJI LAB in Tokyo, you learn how koji works and make koji seasonings to take home.

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