Pan-Fried Whiting with Fiesta Relish - Pacific Seafood

Ingredients

• 4 skin-on whiting fillets, about 6 ounces each, patted dry with paper towels
• 1 cup frozen, roasted corn kernels, thawed
• 1 small red onion, minced (about 1/2 cup)
• 1 medium avocado, diced (about 1 cup)
• 1 small tomato, diced (about 1 cup), or 1 1/2 cups cherry tomatoes, quartered
• 1 Tbsp red wine vinegar
• 1 Tbsp fresh-squeezed lime juice
• 2 ½ Tbsp extra-virgin olive oil, divided
• 2 Tbsp chopped fresh basil leaves
• Kosher salt and freshly ground black pepper
• 2 Tbsp unsalted butter