How to Make It
Heat a nonstick skillet over medium-high. Add 1 teaspoon oil to pan; swirl to coat. Sprinkle fillets evenly with 1/4 teaspoon salt and pepper. Add fillets to pan; cook 4 minutes on each side or until desired degree of doneness.
Combine remaining 2 teaspoons oil, remaining 1/4 teaspoon salt, grapefruit sections, and remaining ingredients in a bowl; toss. Spoon grapefruit mixture evenly over fillets.