Preheat oven to 375°. In a medium mixing bowl, toss pears with oil, salt and pepper. Place pears on a cookie sheet, cut side down, and bake for 20 minutes. Remove from oven and set aside.

Place crumbled cheese in scooped out portion of pears and wrap with 2 to 3 prosciutto slices. Place scoop side up on baking sheet and bake an additional 20 to 25 minutes, or until cheese has fully melted. Serve warm.