Grilled Mahimahi with Peach and Pink Grapefruit Relish

Ingredients

• 1/3 cup rice vinegar
• 2 tablespoons brown sugar
• 1/2 cup finely chopped red onion
• 2 1/2 cups diced peeled ripe peaches (about 1 1/2 pounds)
• 1 1/2 cups pink grapefruit sections (about 2 large grapefruit)
• 1/2 cup small mint leaves
• 3/4 teaspoon salt, divided
• 1/2 teaspoon black pepper, divided
• 6 (6-ounce) mahimahi or other firm whitefish fillets (about 3/4 inch thick)
• Cooking spray

Preparation

1. Prepare grill.
2. Place vinegar and sugar in a small saucepan; bring to a boil. Remove from heat. Place onion in a large bowl. Pour vinegar mixture over onion, tossing to coat; cool. Add peaches, grapefruit, mint, 1/4 teaspoon salt, and 1/4 teaspoon pepper to onion; toss gently.
3. Sprinkle fish with 1/2 teaspoon salt and 1/4 teaspoon pepper. Place fish on grill rack coated with cooking spray; grill 5 minutes on each side or until fish flakes easily when tested with a fork.