Grilled Anago with Teriyaki Sauce is a delicious and easy-to-make dish that will surely impress your guests. To make this recipe, you will need fresh anago fillets, soy sauce, mirin, sugar, and sake. First, prepare the teriyaki sauce by combining soy sauce, mirin, sugar, and sake in a saucepan. Simmer the sauce until it thickens and set it aside. Next, grill the anago fillets on a hot grill until they are cooked through and slightly charred. Brush the teriyaki sauce on both sides of the fillets and continue grilling for a few more minutes. Serve the grilled anago with steamed rice and garnish with green onions. The combination of the tender anago fillets and the sweet and savory teriyaki sauce creates a mouthwatering dish that will leave your guests wanting more.