Pan-Seared Sea Bass with Romesco Sauce and Toasted Almonds
Delicate sea bass fillets pan-seared to golden perfection and served with a smoky, nutty Romesco sauce enriched with roasted red peppers and toasted almonds. This Spanish-inspired seafood recipe, ready in about 25 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 320 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.
Ingredients
- 4 fillets (6 oz each), skin on sea bass fillets
- 3 tbsp olive oil
- 1 cup, drained roasted red peppers
- 1/3 cup toasted almonds
- 2 cloves garlic cloves
- 1 tbsp tomato paste
- 2 tbsp sherry vinegar
- 1 tsp smoked paprika
- 1 tsp salt
- 1/2 tsp black pepper
- 1/4 cup water
- 2 tbsp chopped fresh parsley
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Equipment for this recipe
Top-rated tools to make this recipe successfully.
Instructions
- Step 1: To prepare the Romesco sauce, combine 1 cup roasted red peppers, 1/3 cup toasted almonds, 2 minced garlic cloves, 1 tbsp tomato paste, 2 tbsp sherry vinegar, 1 tsp smoked paprika, 1 tsp salt, 1/2 tsp black pepper, and 1/4 cup water in a blender. Puree until smooth and set aside.
- Step 2: Heat 3 tbsp olive oil in a large nonstick skillet over medium-high heat. Pat dry 4 skin-on sea bass fillets and season both sides with 1/2 tsp salt and 1/4 tsp black pepper.
- Step 3: Place fillets skin-side down in the hot oil and cook undisturbed for 4-5 minutes until the skin is crisp and golden. Flip and cook for another 2-3 minutes until the fish is opaque and flakes easily.
- Step 4: Plate each fillet and spoon a generous 3-4 tbsp of the Romesco sauce over the top. Garnish with 2 tbsp chopped fresh parsley and serve immediately.
Frequently asked questions
How long does Pan-Seared Sea Bass with Romesco Sauce and Toasted Almonds take to make?
Total time is about 25 minutes (15 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 Sea Bass with Romesco Sauce and Toasted Almonds?
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 Romesco Sauce and Toasted Almonds?
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 Romesco Sauce and Toasted Almonds 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 Romesco Sauce and Toasted Almonds?
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.
