Herb-Roasted Cod with Green Seasoning

Ingredients

Estimated total cost: €20.78 · €5.19/serving

• 1 Vidalia or similar sweet onion, peeled and thinly sliced (soak in cold water for extra crispness)Est. price €0.40–€0.80
• 4 6-oz. cod fillets, skin removed and bones discardedEst. price €12.00–€18.00
• 1 tsp. Diamond Crystal or Morton kosher salt, divided (sprinkle half on the fish before cooking, reserve the rest for seasoning later)Est. price €0.02–€0.05
• Freshly ground black pepper, to taste (season fish generously before cooking)Est. price €0.01–€0.03
• 1/2 cup plus 2 tsp. premium extra-virgin olive oil (use the 2 tsp. for finishing the dish)Est. price €3.50–€6.00
• 1 lime, juiced and zested (use both the juice and zest for maximum flavor)Est. price €0.30–€0.60
• 4 fresh garlic cloves, peeled and minced (crush with the flat side of a knife for easy peeling)Est. price €0.20–€0.40
• 1 2 piece of fresh ginger, peeled and finely grated (use a microplane for best results)Est. price €0.40–€0.80
• 45 sprigs of fresh thyme, leaves picked (discard stems)Est. price €1.50–€2.50
• 1 small bunch of cilantro, stems and leaves separated and chopped (reserve some leaves for garnish)Est. price €0.70–€1.20

Steps

1. 1

   Begin by preheating the oven to 300°. Using a chef’s knife, thinly slice a quarter of a Vidalia or other sweet onion and arrange it in a medium baking dish. Next, place four 6-ounce skinless, boneless cod fillets on top of the onion slices. Sprinkle both sides of the fillets generously with 1 teaspoon of Diamond Crystal salt or half a teaspoon of Morton kosher salt, followed by freshly ground black pepper. Drizzle 1/4 cup of extra-virgin olive oil over the fillets and finely grate the zest from one lime over them; keep the lime for later use. Coat the fillets evenly by turning them in the mixture and allow them to marinate while you prepare the remaining ingredients.

2. 2

   Begin by smashing, peeling, and roughly chopping 4 garlic cloves. Use a spoon to peel a 2-inch piece of ginger, then thinly slice it. Transfer the slices into a small bowl and cut them into matchsticks before dicing them into small cubes. Combine the prepared garlic and ginger in the same bowl.

3. 3

   Remove the leaves from 4–5 thyme sprigs, then finely chop them until you have approximately 1 tablespoon of chopped thyme. Next, roughly chop the leaves and soft stems from a small bunch of cilantro until you reach half a cup (save the rest for later use). Combine these herbs with the garlic and ginger in a bowl.

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• Cultural note

  Green seasoning, a blend of fresh herbs and aromatics, is commonly used in Caribbean and Latin American cuisines to marinate meats and seafood. This dish showcases a fusion of flavors influenced by Caribbean and Asian culinary traditions, combining ingredients like lime, ginger, and habanero chile.

• Seasonal note

  This dish is best enjoyed in the spring and summer when fresh herbs like thyme, cilantro, and scallions are in season. Cod is typically available year-round, but its peak season is during the winter months.

• Health note

  Herb-roasted cod with green seasoning is a nutritious dish high in protein, vitamins A, C, and B6, and zinc. It is a good source of omega-3 fatty acids, which are beneficial for heart health. However, be mindful of the sodium content and saturated fat from the olive oil.