Letting the salsa mixture chill gives the ingredients time to blend, which enhances the flavor.
Combine first 9 ingredients in a small bowl; toss gently. Cover and chill 1 hour.
Sprinkle blackening seasoning on both sides of fish, pressing down firmly to allow seasoning to adhere to fish.
Heat oil in a cast iron skillet over medium-high heat. Add fish, and cook 4 minutes on each side or until fish is medium-rare or to desired degree of doneness.
carbo rating: 3
The Complete Step-by-Step Low Carb Cookbook
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