For an authentic experience, serve noodles in a large bowl over plenty of ice. You can add finely shredded cucumber, a sprinkle of toasted sesame seeds, or thin slices of shiso leaf to the dipping sauce for extra flavor and texture. Ensure the mentsuyu is well chilled before serving.
Keyword somen, chilled noodles, Japanese noodles, mentsuyu, dashi, summer recipe, vegetarian