Cut the pork and vegetables into bite-sized pieces.
Heat oil in a pot and stir-fry the pork.
When the pork is cooked, add radish, carrot, onion, potato, and mushrooms, and stir-fry.
Pour in the broth and bring to a boil.
Skim off the foam and dissolve the miso once the ingredients are cooked through.
Add green onions and tofu, then simmer briefly.
Taste and adjust the seasoning to finish.