Ingredients for the Ponzu

1/2 cup soy sauce or Tamarin

1/4 cup bonito

2 tablespoons fresh lemon juice

1 tablespoon fresh lime juice

2 tablespoon mirin

2 tablespoons rice vinegar

one 2-inch piece kombu

1 teaspoon red pepper flakes

Ingredients for the noodle salad

8 ounces udon noodles

1/2 teaspoon toasted sesame oil

1 teaspoon yellow miso

12 ounces extra-firm tofu, pressed and cut into 1/2-inch cube

4 ears corn

1 cup cooked edamame

1 small head Savoy cabbage, cut into small ribbons, rinsed, and dried

1 cucumber, roughly chopped

3 scallions, green parts only, chopped

2 tablespoons toasted sesame seeds, or more to taste

Lime wedges, for serving

Basil and mint, torn, for serving