a richer dish, dot a little butter between the potato layers.
This adds moisture and helps the potatoes develop a softer, more luxurious texture.
Creamy Variation
A small amount of cream or milk can be poured over the casserole before baking if you want a creamier result.
This changes the dish from a simple potato-and-corned-beef bake into something closer to scalloped potatoes with corned beef.
Mustard Variation
A little mustard pairs naturally with corned beef.
Serve it on the side or spread a very thin layer between some of the
