Pan-Seared Snapper with Black Sand Seaweed Butter

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

Fresh snapper fillets pan-seared and topped with a butter infused with locally sourced black sand seaweed, delivering a subtle oceanic aroma and rich flavor. This seafood ready in about 20 minutes pairs fillets (6 oz each) snapper fillets, softened unsalted butter, dried black sand seaweed powder 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 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: 10 min Serves 4 Seafood cuisine 280 cal/serving
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Ingredients

Instructions

  1. Step 1: In a small bowl, mix 4 tablespoons softened unsalted butter with 1 tablespoon dried black sand seaweed powder and 1 teaspoon lemon zest until well combined; set aside.
  2. Step 2: Pat dry 4 snapper fillets and season both sides with 1 teaspoon salt and 1/2 teaspoon black pepper.
  3. Step 3: Heat 2 tablespoons olive oil in a large nonstick skillet over medium-high heat until shimmering (about 375°F).
  4. Step 4: Place the fillets skin side down and cook for 4-5 minutes without moving until the skin is crisp and golden.
  5. Step 5: Flip the fillets carefully and cook for an additional 2-3 minutes until the fish is opaque and flakes easily with a fork.
  6. Step 6: Remove the fillets from the pan and top each immediately with 1 tablespoon of the black sand seaweed butter to melt over the warm fish before serving.

Equipment for this recipe

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Frequently asked questions

How long does Pan-Seared Snapper with Black Sand Seaweed Butter take to make?

Total time is about 20 minutes (10 min prep + 10 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 Snapper with Black Sand Seaweed Butter?

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 softened unsalted butter from drying out.

Can I substitute ingredients in Pan-Seared Snapper with Black Sand Seaweed Butter?

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 Snapper with Black Sand Seaweed Butter 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 Snapper with Black Sand Seaweed Butter?

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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