Usage Coat 1 lb. firm fish fillets, such as catfish, salmon, tuna (1/2-inch thick), or shrimp with 2 tsp. seasoning. Saute in 1 tbsp. butter over medium heat 4 to 5 min. per side or until done. For more authentic blackening results, cook outdoors in cast iron skillet over high heat on grill side burner. Ingredients SPICES (INCLUDING CELERY SEED AND RED PEPPER), SALT, PAPRIKA, SUGAR, AND CARAMEL COLOR.