1.
Preheat oven to 450º. Coat 13″ x 9″ baking dish or shallow casserole with 1/4 cup olive oil. Arrange fillets in dish. Sprinkle with salt and pepper to taste.
2.
Cover fish with lemon slices then scatter with capers. Place rosemary branches over all then drizzle with 1/2 cup olive oil.