Home-Style Glazed Grilled Eel (Unagi)

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Discover how to make restaurant-quality unagi at home with a sweet-savory glaze, featuring a quick sear with a kitchen torch and an aromatic onion bed.

↓ The ingredients ↓ The steps

Grilled eel, or unagi, is prized for its rich, tender meat and deeply satisfying sweet and savory glaze. This home-style version simplifies the traditional preparation by using a kitchen torch to tighten the flesh and baking the fillet over a fragrant layer of sweet onions. It is a wonderful centerpiece dish that brings Japanese culinary comfort straight to your kitchen.

Five pieces of glossy glazed grilled eel arranged on an oblong plate, garnished with white sesame seeds and green dill
Five pieces of glossy glazed grilled eel arranged on an oblong plate, garnished with white sesame seeds and green dill
Prep15 mins
Cook20 mins
Total35 mins
Yield2 servings
DifficultyMedium
Calories380 kcal

Ingredients

Instructions

  1. 1Sear the Eel with a Kitchen Torch
    A kitchen torch being applied to the surface of a cleaned eel fillet on a wooden cutting board.

    Place the cleaned eel fillet on a wooden cutting board and use a kitchen torch to sear its surface. This process shrinks the meat and gives the eel a chewier texture.

    Tip: Keep the torch moving steadily across the surface to ensure even searing without burning the skin.
  2. 2Trim the Fins
    Scissors trimming the fins off the side of a prepared eel fillet on a wooden cutting board.

    Use a pair of kitchen scissors to carefully trim off the dorsal fins along the side of the prepared eel fillet.

    Tip: Trim closely to the edge for a clean presentation before marinating and baking.
  3. 3Arrange on Onions
    An eel fillet placed skin-side down over a bed of sliced red onions in a baking pan.

    Slice the red onion into rings and spread them evenly over the foil-lined baking tray. Place the eel fillet, skin-side down, directly on top of the onion layer.

    Tip: The onion layer prevents the eel from sticking to the foil and infuses it with flavor during baking.
  4. 4Brush with Sauce
    A pastry brush applying a thick, dark brown sauce onto a partially cooked eel fillet inside a baking pan.

    After the initial baking period, take the baking tray out of the oven and generously brush the cooked eel fillet with the prepared marinating sauce.

    Tip: Ensure the dark brown sauce coats the entire surface evenly to build a rich glaze during the final bake.
  5. 5Slice the Glazed Eel
    A knife slicing a glazed grilled eel into smaller portions on a green cutting board.

    Transfer the finished glazed grilled eel onto a green cutting board and slice it crosswise into neat, bite-sized pieces.

    Tip: Use a sharp knife to make clean cuts through the tender glazed meat without disturbing the topping.

Storage & Reheating

Refrigerator
2 days
Store in an airtight container in the refrigerator.
Reheating
5 min
Reheat in a preheated oven at 180°C for 5 minutes until warmed through. Avoid microwaving to keep the texture intact.

Burn It Off

Brisk Walking
~75 minutes at a steady pace.
Swimming
~45 minutes of moderate lap swimming.
Leisurely Cycling
~1 hour of casual riding (~15 km/h).

Frequently Asked Questions

Yes, just ensure the eel fillet is completely thawed and patted dry with paper towels before using the kitchen torch.
If unavailable, you can substitute with a mixture of hoisin sauce, oyster sauce, and a touch of extra soy sauce to mimic the savory depth.
The onion rings elevate the fish slightly off the foil, preventing sticking and allowing heat to circulate evenly while imparting moisture and flavor.
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