Dip redfish fillets in ¾ cup melted butter, and place on parchment paper. Dust fillets generously with Blackening Seasoning on both sides, and press seasoning into fillets.
Heat a large cast-iron skillet over high heat for 10 minutes. Carefully place each fillet in pan, and pour 1 teaspoon melted butter over each fillet. Cook until bottoms of fillets are charred, about 2 minutes. Turn fillets, and pour another 1 teaspoon of the remaining melted butter over each fillet. Cook fillets until a little flaky on edges. (Cooking time will vary due to heat of pan.) Remove from heat, and set aside.
In a small skillet, add Barbecue Butter and cream. Heat over medium or medium-low heat until thickened, whisking until combined.
Place Creamy Stone-Ground Grits in center of a serving plate, and top with blackened redfish fillet. Spoon Barbecue Butter on top. Garnish with green onion, if desired.
Recipe by Louisiana Cookin' at https://louisianacookin.com/2018-chef-to-watch-sean-rivera/