Procedures

1. 1

   Bring dashi, soy sauce, mirin, and sugar to gentle boil over medium heat. Remove from heat and allow to cool.

2. 2

   Set out 4 serving plates. Divide equally among plates: dab of wasabi, grated daikon, and scallions.

3. 3

   In the meantime, bring 2-quart pot of water to boil over high heat and add soba. Return water to boil and cook the noodles until tender but firm, 3 to 5 minutes. Have ready a large bowl or pot ready with ice water. Use strainer to remove soba from pot. Place soba into ice water and chill until noodles are cold. Drain noodles.

4. 4

   Make mound with noodles on each plate. Pour dipping sauce into individual little bowls to serve alongside noodles.

5. 5

   To eat, stir some daikon, wasabi, and green onion into dipping sauce. Take some noodles with chopsticks and dip.