Pan-Seared Sea Bass with Saffron-Infused Romesco Sauce

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

Crisp pan-seared sea bass fillets paired with a vibrant, nutty Romesco sauce brightened by fragrant saffron threads. This Spanish-inspired seafood recipe, ready in about 27 minutes, pairs sea bass fillets, olive oil, roasted red peppers 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: 15 min Cook: 12 min Serves 4 Spanish cuisine 350 cal/serving
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Ingredients

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Instructions

  1. Step 1: In a food processor, combine 2 chopped roasted red peppers, 1/4 cup toasted almonds, 2 minced garlic cloves, 1 tbsp sherry vinegar, 1/2 tsp smoked paprika, 1 tbsp tomato paste, 1 tsp salt, and 1/2 tsp black pepper. Add 2 tbsp saffron-infused water and pulse until a coarse sauce forms.
  2. Step 2: Heat 2 tbsp olive oil in a large skillet over medium-high heat. Season 4 sea bass fillets with salt and pepper. Place fillets skin-side down and cook for 4-5 minutes until skin is crisp.
  3. Step 3: Flip fillets and cook an additional 2-3 minutes until fish is opaque and flakes easily.
  4. Step 4: Remove fish from skillet, drizzle with remaining 2 tbsp olive oil, and spoon saffron Romesco sauce over each fillet. Garnish with 2 tbsp chopped fresh parsley and serve immediately.

Frequently asked questions

How long does Pan-Seared Sea Bass with Saffron-Infused Romesco Sauce take to make?

Total time is about 27 minutes (15 min prep + 12 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 Sea Bass with Saffron-Infused Romesco Sauce?

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 Pan-Seared Sea Bass with Saffron-Infused Romesco Sauce?

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 Sea Bass with Saffron-Infused Romesco Sauce 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 Sea Bass with Saffron-Infused Romesco Sauce?

Spanish 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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