Mince the Japanese leek, referring to this recipe here: https://cookpad.com/en/recipes/171290-so-addicting-how-to-mince-a-leek Combine the ◎ ingredients. Mix the ● ingredients for the katakuriko slurry.
Heat sesame oil (about 1 tablespoon) in a pan. Add the minced pork and stir well. Then, stir in the seasonings and mix thoroughly.
Transfer the cooked mince to a plate. Next, cook the diced tofu in water on the lowest heat setting. Turn off the heat before it comes to a boil.
Heat the pan and add the ingredients. Cook over medium heat until aromatic.
Next, add the ◎ ingredients.
Return the cooked minced meat to the pan and bring to a boil.
Once boiled, add the cooked tofu. Simmer for about 1 minute.
Turning the heat high, add the Japanese leek and katakuriko slurry. Stir gently to thicken. Stir in ra-yu if you like and serve.