Or provolone cheese Heat oil in medium skillet. Cut mushroom into 1 cm-thick slices. Saute in hot oil until lightly browned, about 5 minutes. Place on focaccia. Arrange anchovy strips on top. Sprinkle with rosemary. Sprinkle on cheese. Place on baking sheet. Bake at 400 degrees until cheese melts and bread is hot, 6 to 10 minutes. Serve hot.