Blackened Fish with Tarragon Salsa | Publix Super Markets

Ingredients

• 1/2 small red onion
• 2 tablespoons fresh tarragon
• 4 plum tomatoes
• 5 tablespoons extra-virgin olive oil, divided
• 4 (6 oz) firm fish fillets (such as snapper, cod or mahi-mahi; 1 1/2 lb)
• 2 tablespoons blackening seasoning
• 1 can black beans (15–16 oz)
• 1/2 teaspoon kosher salt
• 1/2 teaspoon pepper