Grouper is a good source of B vitamins, iron and potassium.
Sprinkle the grouper steaks on both sides with 1/8 teaspoon of the pepper. In a large, nonstick frying pan, heat 1 1/2 teaspoons of the olive oil over medium-high heat. Add the fish to the pan and sear on both sides until lightly browned, about 2 minutes a side. Transfer to a plate and keep warm.
Reduce the heat to medium and add the remaining 1 tablespoon olive oil to the pan. Add the onion and saute until soft and lightly golden, about 6 minutes. Add the garlic and saute until softened, about 1 minute. Add the tomatoes, olives, capers and jalapeno and simmer for 10 minutes to allow the flavors to blend. Stir in the remaining 1/8 teaspoon pepper. Return the fish to the pan. Cover and simmer until the fish is opaque throughout when tested with the tip of a knife, 6 to 8 minutes.
Transfer the grouper steaks to warmed individual plates. Stir the lime juice into the vegetables and pan juices. Spoon some sauce over each steak. Serve immediately.
This recipe is one of 150 recipes collected in "The New Mayo Clinic Cookbook," published by Mayo Clinic Health Information and Oxmoor House, and winner of a James Beard award.
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