Ingredients:

• Chicken thighs (about 500g)
• Soy sauce (2 tablespoons)
• Mirin (2 tablespoons)
• Sugar (1 tablespoon)
• Sake (1 tablespoon)
• Minced ginger (optional)

Instructions:

1. Prepare the chicken: Cut the chicken thighs into bite-sized pieces and set aside.
2. Make the sauce: In a bowl, mix together the soy sauce, mirin, sugar, and sake until well combined.
3. Cook the chicken: Heat a small amount of oil in a frying pan, add the chicken pieces, and cook over medium heat until both sides are golden brown.
4. Add the sauce: Pour the prepared sauce into the pan, stirring to coat the chicken evenly.
5. Reduce the sauce: Continue to cook until the sauce thickens and the chicken is fully cooked through.
6. Serve: Transfer the teriyaki chicken to a plate and serve with rice.

The sauce has a balanced sweet and salty flavor, and the chicken is tender and flavorful. You can adjust the sweetness and saltiness of the sauce to your liking.