In A Large Skillet, Heat Oil Over Medium High Heat Until Hot. Add Fillets And Squeeze 1/2 Of The Lemon'S Juice Over The Tops. Sprinkle With Pepper To Taste. Cook For 4 Minutes And Turn. Squeeze With The Remaining Lemon'S Juice And Sprinkle With Pepper To Taste. Continue To Cook Until Fillets Flake Easily With A Fork.