Lemon-Dill Cod with Roasted Asparagus

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A gentle, low-bloat meal featuring delicate cod and asparagus to ease digestive discomfort during Whole30 transitions. This mediterranean-inspired seafood (whole30) ready in about 19 minutes pairs Cod fillets, Asparagus, medium Lemon for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 240 calories and feeds 1, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

★ 3.7 (10 ratings) Prep: 8 min Cook: 11 min Serves 1 Mediterranean cuisine 240 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 425°F (220°C). Place 6 oz cod fillets on a parchment-lined baking sheet. Drizzle with 1 tsp olive oil and sprinkle 1/8 tsp sea salt evenly over the top.
  2. Step 2: Trim woody ends from 1 cup asparagus spears and arrange around the cod on the baking sheet. Squeeze 1/2 medium lemon over both, then sprinkle with 1 tbsp fresh dill.
  3. Step 3: Bake for 10-12 minutes until cod is opaque in the thickest part and asparagus is tender-crisp with light golden edges.
  4. Step 4: Remove from oven and let rest for 2 minutes before serving to allow flavors to settle.

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Frequently asked questions

How long does Lemon-Dill Cod with Roasted Asparagus take to make?

Total time is about 19 minutes (8 min prep + 11 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Lemon-Dill Cod with Roasted Asparagus?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep cod fillets from drying out.

Can I substitute ingredients in Lemon-Dill Cod with Roasted Asparagus?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Lemon-Dill Cod with Roasted Asparagus for a different number of people?

The recipe is written for 1 servings. Multiply each ingredient by (your serving target / 1). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Lemon-Dill Cod with Roasted Asparagus whole30?

Yes — this recipe is tagged whole30 based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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