This is a Japanese cold noodle soup perfect for those hot summer days. It is filling and refreshing.
Bring a lightly salted pot of water to a boil. Add soba noodles; cook, stirring occasionally, until tender, 5 to 8 minutes. Drain. Rinse with cold water to speed up cooling process.
Combine dashi, soy sauce, mirin, and white sugar in a small saucepan; bring to a boil. Remove from heat and cool to room temperature, about 25 minutes.
Toss noodles with sesame seeds and divide among 4 serving bowls. Spoon dashi sauce over noodles. Top with green onions and nori.
Per Serving: 257 calories; protein 11.6g; carbohydrates 48.2g; fat 3.1g; cholesterol 0.6mg; sodium 1444.8mg.