Sautéed Garlic Lemon Cod with Wilted Spinach and Cherry Tomatoes

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

Delicate cod fillets sautéed in garlic and lemon juice served over wilted spinach and roasted cherry tomatoes for a bright, Whole30-compliant seafood dish. This Mediterranean-inspired Whole30 recipe (gluten free), ready in about 30 minutes, pairs cod fillets, fresh spinach, cherry tomatoes for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 280 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 280 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 400°F. Toss 1 pint halved cherry tomatoes with 1 tbsp olive oil and 1/4 tsp salt on a baking sheet. Roast for 15 minutes until softened and edges caramelize.
  2. Step 2: Pat dry 4 cod fillets (6 oz each) and season both sides with 1/2 tsp salt and 1/4 tsp black pepper.
  3. Step 3: Heat 2 tbsp olive oil in a large skillet over medium heat. Add 3 minced garlic cloves and 1/4 tsp red pepper flakes, sauté for 30 seconds until fragrant.
  4. Step 4: Add cod fillets to skillet and cook for 3-4 minutes per side until opaque and easily flakes with a fork. Remove from skillet and keep warm.
  5. Step 5: In the same skillet, add 8 cups fresh spinach and sauté for 2-3 minutes until wilted. Stir in 3 tbsp fresh lemon juice and adjust seasoning with 1/4 tsp salt.
  6. Step 6: Serve cod fillets over wilted spinach topped with roasted cherry tomatoes.

Frequently asked questions

How long does Sautéed Garlic Lemon Cod with Wilted Spinach 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 Sautéed Garlic Lemon Cod with Wilted Spinach 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 Sautéed Garlic Lemon Cod with Wilted Spinach 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 Sautéed Garlic Lemon Cod with Wilted Spinach 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 Sautéed Garlic Lemon Cod with Wilted Spinach and Cherry Tomatoes whole30?

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

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