Sushi Rice Vinegar - cooking recipe

Ingredients

1 liter Chinese white rice vinegar
1 kg white sugar
2 tablespoons sea salt
1 small piece kombu seaweed
3 drops Kikkoman soy sauce

Preparation

Put all ingredients in wok or some pot and heat untill boiling .then remove from heat and leave to chill. 1cup of this vinegar is for 1 kg of already cooked rice.(use a short grain rice cause is more glutonious ,and better for nigiri or maki making).