Springy cold udon noodles in a chilled broth – topped with katsuobushi and a perfectly poached egg, ready in 20 minutes.
Once assembled, this dish cannot be saved for later. To make part of it ahead of time, chop the green onions and poach the eggs. Save them separately in storage containers and refrigerate until serving time. Please note that poached eggs should be served the day they are boiled.
Find it online: https://pickledplum.com/bukkake-udon/