Easy Mentsuyu Noodle Sauce (Concentrated)

• 20 grams Bonito flakes
• 8 cm Kombu
• 200 ml Soy sauce
• 200 ml Mirin
• 100 ml Sake
• 1 to 2 tablespoons Sugar

1. Put all the ingredients in a pan over low-medium heat.
2. Put the bonito flakes in a 'tea bag'.
3. When it comes to a boil turn down the heat to low, and simmer slowly for 5 minutes.
4. Turn off the heat and leave until cool.
5. When the liquid is cool, take out the kombu seaweed and bonito flakes, and transfer the liquid to a clean container.
6. Dilute by a factor of 2 to 3 when using.

flakes, soy sauce, mirin, sake, sugar

Taken from cookpad.com/us/recipes/171010-easy-mentsuyu-noodle-sauce-concentrated (may not work)