Skip to main content

Cod With Soy-Caramelized Onions and Potatoes

A cod fillet set on top of caramelized sliced potatoes sprinkled with green onions and chile flakes.
Photo by Emma Fishman, Plate by Meilen Ceramics 

Adding ginger and soy sauce to caramelized onions gives a bit of zingy punch and intrigue, creating a multidimensional meal that comes together in just one skillet. Covering the onions briefly during the beginning of the cooking process helps them break down more quickly—a baking sheet will work if you don’t have a lid!

Recipe information

  • Yield

    2 servings

Ingredients

3 Tbsp. extra-virgin olive oil, divided
2 medium onions, thinly sliced
Kosher salt
1 1" piece ginger, peeled, sliced into matchsticks or finely chopped
2 tsp. soy sauce
1 medium russet potato, scrubbed, sliced into ¼"-thick rounds
2 5–6-oz. cod, pollock, halibut, or other flaky white fish or salmon fillets
2 scallions, trimmed, thinly sliced
Furikake, shichimi togarashi, sesame seeds, mild red pepper flakes, or other fun sprinkly topping (for serving; optional)

Preparation

  1. Step 1

    Heat 2 Tbsp. oil in a large skillet over medium. Add onions, season with salt, and cover. Cook, uncovering and stirring occasionally, until onions are softened and just beginning to take on color, about 5 minutes. Uncover, add ginger, and cook, stirring occasionally, until onions are jammy and golden brown, 10–12 minutes. Stir in soy sauce. Transfer onion mixture to a plate and wipe out skillet.

    Step 2

    Pour remaining 1 Tbsp. oil into same skillet and increase heat to medium-high. Add potatoes in a single layer and season with salt. Cook, turning halfway through, until golden brown, 10–12 minutes.

    Step 3

    Spread onion mixture over potatoes, leaving a 1" border of potatoes without onion mixture. Season fish with salt and place on top of onion mixture. Cover and reduce heat to medium-low. Cook until fish is opaque throughout and easily flakes apart, 10–12 minutes. Serve topped with scallions and furikake (if using).

Read More
The golden, crunchy corners are worth fighting over.
This garlicky shrimp scampi version of a classic bisque embraces the technique of blending seafood shells for a luxuriously silky and creamy end result.
Cooking down radicchio with vinegar and sugar until jammy is an eye-opening approach that reveals a world of options beyond salad.
Serve it with warm pita, rice, or chips for an under-30-minute dinner.
This brothy bowl will nourish you from the inside out.
Bathe greens and chickpeas in a garlicky, tomato-enhanced broth. Stretch a block of Halloumi by grating and toasting it into a topping for the soup.
Chicken breasts reach their full potential in this spicy, saucy stir-fry with blistered green beans.
The secret to flavorful, never-greasy eggplant parm? Brine the eggplant first.