To complete the dashi story, here is a recipe for Miso soup.

Ingredients

4 cups dashi (1 per person)

4 tbsp miso paste (check for gluten free variety, reduce miso for less salt)

200 g silken tofu or soft tofu (50g per person)

4 tsp. dried wakame soaked in water for 10 mins

1 green onion finely sliced

Instructions

Heat your dashi in a pot, and turn down to a slow simmer, add table spoon by table spoon the miso paste, disolving each before adding the next. You can use a ladle and blend with the dashi.
Cut the tofu in to 1 cm cubes and add to the soup.

Serving

Drain the wakeme and share it and the green onion between the bowls. 

Ladle the soup into each bowl and serve.