Try this homemade Canned Mackerel Diet! Nagaimo Gratin recipe the whole family will love. Made with mackerel, pack, Onion and Egg. Easy step-by-step ins…
This Canned Mackerel Diet! Nagaimo Gratin relies on simple, everyday ingredients such as canned mackerel, asparagus, pack shimeji mushrooms and onion (sliced). It comes together quickly and makes 4 servings, at about 84 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026