Roasted Cod with Lemon-Garlic Asparagus and Cherry Tomatoes

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

Tender roasted cod fillets served alongside lemon-garlic sautéed asparagus and sweet cherry tomatoes for a light, vibrant Whole30 seafood dinner. This Mediterranean-inspired Whole30 recipe (gluten free), ready in about 30 minutes, pairs cod fillets, asparagus spears, cherry tomatoes for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 320 calories and feeds 4, so it slots cleanly into a Whole30 week and pairs well with roasted sweet potato or a simple olive-oil salad. 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.

Prep: 10 min Cook: 20 min Serves 4 Mediterranean cuisine 320 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 400°F. Place 4 cod fillets on a parchment-lined baking sheet. Drizzle with 1 tbsp olive oil, 1/2 tsp sea salt, and 1/4 tsp black pepper. Roast for 12-15 minutes until fish is opaque and flakes easily.
  2. Step 2: While fish roasts, heat 2 tbsp olive oil in a large skillet over medium heat. Add 3 minced garlic cloves and sauté for 30 seconds until fragrant.
  3. Step 3: Add 1 lb trimmed asparagus cut into 2-inch pieces and 1 pint halved cherry tomatoes to the skillet. Cook for 5-7 minutes, stirring occasionally, until asparagus is tender-crisp and tomatoes soften.
  4. Step 4: Stir in zest and juice of 1 lemon, 1/2 tsp sea salt, and 1/4 tsp black pepper. Cook another 1 minute to combine flavors.
  5. Step 5: Plate roasted cod with lemon-garlic asparagus and cherry tomatoes, garnished with 2 tbsp chopped fresh parsley for a bright finish.

Frequently asked questions

How long does Roasted Cod with Lemon-Garlic Asparagus and Cherry Tomatoes take to make?

Total time is about 30 minutes (10 min prep + 20 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 Roasted Cod with Lemon-Garlic Asparagus and Cherry Tomatoes?

Refrigerate in a covered airtight container for up to 3–4 days (FDA FoodKeeper guideline for cooked fish). Store any fresh salsa or citrus-based garnish in a separate container — it keeps for up to 2 days. Freeze cooked fish (without fresh garnishes) for up to 3 months; thaw overnight in the fridge and reheat gently at 275°F until just warmed through to preserve texture.

Can I substitute ingredients in Roasted Cod with Lemon-Garlic Asparagus and Cherry Tomatoes?

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 Roasted Cod with Lemon-Garlic Asparagus and Cherry Tomatoes for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). 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 Roasted Cod with Lemon-Garlic Asparagus and Cherry Tomatoes whole30?

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

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