Remove the heads from 6 anchovies and set them aside.
Cut 1 inch of Korean radish, slice them into ½ inch pieces and set aside.
Rinse and soak 5 shiitake mushrooms in warm water for 10-15 minutes.
Cut 1 slice of ginger and set it aside
Peel 3 cloves of garlic, keep it whole and set it aside
Peel and cut ½ an onion and set it aside.
Cut a 4 inch piece of kelp and set it aside.
In a pot, combine 3 cups of water, Korean radish, ginger, onion, dried anchovies, garlic, shiitake mushrooms, and kelp into a pot and boil for approximately 20-30 mins on medium heat with a lid on.
When the broth is done, strain out the ingredients but keep the shiitake mushrooms and cut them into smaller pieces for the stew. Set the broth and shiitake aside.
[Optional Shortcut] Instead of making the broth, you can also use pre-made broth.