Combine flour, baking powder, and salt in a large mixing bowl; mix well. Combine milk and egg; add to flour mixture, stirring well. Place cornmeal in a large mixing bowl.
Place oysters in flour mixture. Remove three oysters at a time, forming a ball. Roll in cornmeal. Place in flour mixture to coat; roll again in cornmeal. Repeat double coating procedure with remaining oysters, making 6 oyster rolls.
Place rolls in fryer basket. Deep fry in hot oil (375°). Reduce temperature to 350° and cook until rolls float to the top and are golden brown; drain well on paper towels. Serve with catsup or tartar sauce.
Oxmoor House Homestyle Recipes