1Heat oven to 325ºF. Grease rectangular baking dish, 13x9x2 inches.
2Cut potatoes crosswise into 1/8-inch slices, cutting only three-fourths of the way through to bottom. Place cut sides up in dish. Brush with butter. Sprinkle with salt and pepper.
3Bake uncovered 1 hour, brushing with butter once or twice. Mix cheese and bread crumbs; sprinkle over potatoes. Sprinkle with paprika. Bake 20 to 30 minutes longer or until tender.