Pan-Seared Lake Michigan Whitefish with Roasted Cherry Tomatoes

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A tender pan-seared whitefish fillet served with sweet roasted cherry tomatoes and a bright lemon butter sauce, inspired by Chicago’s fresh lake flavors. This seafood-inspired seafood ready in about 30 minutes pairs fillets (6 oz each) whitefish fillets, cherry tomatoes, unsalted butter for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 calories and feeds 4, 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.

Prep: 10 min Cook: 20 min Serves 4 Seafood cuisine 350 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat the oven to 400°F and toss 2 cups cherry tomatoes with 1 tbsp olive oil and 1/4 tsp salt on a baking sheet; roast for 15 minutes until softened and slightly blistered.
  2. Step 2: Pat dry 4 whitefish fillets and season both sides with 3/4 tsp salt and 1/2 tsp black pepper. Heat 2 tbsp olive oil in a large skillet over medium-high heat and sear the fillets skin-side down for 4 minutes until golden and crisp.
  3. Step 3: Flip the fillets and cook for an additional 3 minutes until opaque and just cooked through, then remove from heat.
  4. Step 4: In the same skillet, reduce heat to medium, add 4 tbsp unsalted butter, 3 minced garlic cloves, and 1 tsp fresh thyme leaves; cook for 1-2 minutes until fragrant and butter is melted.
  5. Step 5: Stir in 2 tbsp lemon juice and the roasted cherry tomatoes, heat through for 1 minute.
  6. Step 6: Serve the whitefish fillets topped with the lemon butter roasted cherry tomatoes, spooning sauce over the top.

Equipment for this recipe

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Frequently asked questions

How long does Pan-Seared Lake Michigan Whitefish with Roasted 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 Pan-Seared Lake Michigan Whitefish with Roasted Cherry Tomatoes?

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 cherry tomatoes from drying out.

Can I substitute ingredients in Pan-Seared Lake Michigan Whitefish with Roasted 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 Pan-Seared Lake Michigan Whitefish with Roasted 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.

What goes well with Pan-Seared Lake Michigan Whitefish with Roasted Cherry Tomatoes?

Seafood seafood like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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