To prepare sauce, combine first 10 ingredients in a food processor; process until smooth.
To prepare fish, sprinkle fish with 1/2 teaspoon salt and 1/4 teaspoon pepper. Place fish on a broiler pan coated with cooking spray; broil 10 minutes or until fish flakes easily when tested with a fork. Serve fish with sorrel sauce.
MyRecipes is working with Let's Move!, the Partnership for a Healthier America, and USDA's MyPlate to give anyone looking for healthier options access to a trove of recipes that will help them create healthy, tasty plates. For more information about creating a healthy plate, visit www.choosemyplate.gov.