- Preheat the oven to 375°F (approximately 190°C).
- Soak the lasagna sheets in water for 15 minutes (it’s okay to soak longer).
- Have a large frying pan, heat cooking oil in a large frying pan, sauté Japanese eggplant, and sliced eel fillet.
- Once the eggplant is tender, add Sriracha hot chili sauce, tomato sauce, garlic, pepper, , salt and mix well.
- Paste the sauce and adjust the seasoning with salt and pepper.
- Grease the inside of a baking dish with cooking oil.
- Remove the soaked lasagna sheets from water.
- Spread a generous layer of prepared sauce on the bottom of the baking dish.
- Layer lasagna sheets, sauce, and shredded cheese in that order.
- Cover the baking dish with aluminum foil.
- Bake at 375°F for 25 minutes.
- Remove from the oven and let it rest for about 15 minutes before cutting (be careful as cutting immediately may cause it to lose shape).
- Serve in dishes and enjoy!