Brush surface of the potato with melted butter, sprinkle with salt and pepper. Bake in the oven for 45 minutes. Remove from the oven and sprinkle with parmesan cheese and breadcrumbs. Return to ...
Do not throw this away: it is precious liquid (see recipe tip). Add the butter to the hot, emptied-out potato pan ... Stir the Parmesan in by hand and check for seasoning before transferring ...