Separate the mentaiko (pollack roe) from its skin.
Clean and finely chop the odolbby (cartilage).
Add cooking oil to a pan and stir-fry the cartilage.
When the cartilage is cooked, add the mentaiko and stir-fry together.
Season with soy sauce, minced garlic, and pepper.
Add chives or green onions and stir-fry once more.
Transfer the finished Mentaiko Odolbby to a plate.