① Boil the water.② Add bonito flakes.Once the mixture is simmering nicely...③ Strain until smooth.Add the sliced aburaage into the pot.Add a dash of sugar and bring to the boil.Now for the udon.Add soy sauce and simmer on a medium heat.Allow about half of the broth to boil away.Pour it in nice and steady.Put katsuo dashi in a pot.Don't forget to stir!