Cook macaroni according to package directions and drain. Grease 2 quart casserole. Layer 1/3 noodles, 1/3 cheese, repeat. Combine milk, eggs, salt, pepper and pour over mac and cheese. Dot with butter. Cover and bake at 350 for 45 minutes. Uncover and sprinkle with a little more cheese and paprika. Cover and let stand 10 minutes before serving.