Blackened Grouper with Lime
Grouper fillets get a coat of paprika, garlic, and pepper, then a quick sear in a hot skillet until the spices turn dark and toasty. A squeeze of lime brightens the rich crust. Scale the people count in the app to 2, 4, 6, or 8 — ingredients adjust from this base of 4 servings.
Open interactive cooker (change people count)
Food safety
Cook grouper to 145°F or until the flesh is opaque and separates easily with a fork. Keep raw fish on its own board and plate, and wash hands after handling it. Scrub limes under running water before cutting.
Allergens: fish, milk
Equipment
- cast-iron skillet
- thin metal spatula
- small bowl
- instant-read thermometer
- plate
Ingredients (for 4 servings)
- 1.5 pounds grouper fillets, about 1 inch thick
- 1 tablespoon paprika
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- 1 teaspoon dried thyme
- 1/2 teaspoon cayenne pepper
- 1 teaspoon salt
- 1/2 teaspoon black pepper
- 3 tablespoons butter, melted
- 1 tablespoon vegetable oil
- 2 limes, cut into wedges
Directions
1. Turn on the kitchen vent fan or open a window — blackening makes smoke.
2. Stir the paprika, garlic powder, onion powder, thyme, cayenne, salt, and black pepper together in a small bowl.
3. Pat the grouper dry. Brush both sides with the melted butter, then press the spice mix evenly onto both sides.
4. Heat the cast-iron skillet over medium-high heat for 4 to 5 minutes until very hot. Add the oil and swirl to coat.
5. Lay the fillets in the pan and do not move them. Cook 3 to 4 minutes until the spice crust is dark brown, then flip carefully.
6. Cook 3 to 4 minutes more until the fish reaches 145°F in the thickest part, or the flesh is opaque and separates easily with a fork.
7. Serve right away with lime wedges for squeezing.
8. Chill leftovers within 2 hours (1 hour if the room is above 90°F).
Skill taught
Blackening fish in a very hot cast-iron skillet to build a dark spice crust.
Affordable substitution
Use frozen tilapia or swai fillets thawed in the refrigerator overnight; thinner fillets cook in about 2 to 3 minutes per side.
Optional variation
Serve the blackened fish over rice and black beans, or flake it into tortillas for quick tacos.
Leftovers & storage
Cool and refrigerate leftovers within 2 hours (within 1 hour if above 90°F). Store at 40°F or below and eat within 3 days. Reheat to 165°F until steaming hot.
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