For 4 people

Step 1 of 9Chicken and Scallion Yakitori

100 ml soy sauce100 ml mirin50 ml sake or rice alcohol2 tablespoons white sugar

In a small saucepan, combine soy sauce, mirin, sake, and sugar. Bring to a boil then lower the heat. Simmer until the liquid reduces by half. The sauce should become syrupy and coat the back of a spoon.