This post contains Affiliate Links. Take the cheese out and just use a white sauce and you have Scalloped but not Au Gratin. In a bowl, whisk together the cream of mushroom soup, milk, parsley and pepper until combined. Please see the disclaimer here. Try these other recipes featuring leftover ham recipes: Mom’s Favorite Ham Salad Cheesy, creamy and super easy to make, it’s a dinner the whole family will love! Bake for 1 hour 15 minutes. The recipe on this site has been a kitchen standard (Betty Crocker Cookbook for example) since the early 1950s, and it has always been recognized as "scalloped potatoes and ham." Scalloped Potatoes and Ham Casserole is an excellent way to use leftover holiday ham. So, this could also be called Au Gratin potatoes and ham. Unlike regular scalloped potato recipes there isn't a chance for curdled milk and in the crock pot the potatoes always come out tender. Now get in the kitchen and make this for supper. It also seems to be much less fatty than traditional scalloped potatoes. Scalloped Potatoes and Ham. Pour over top and spread evenly. So this recipe could be called Scalloped or Au Gratin or Scalloped Au Gratin. I was brought up calling this scalloped, so I'm using that, but Au Gratin may be more correct. If you're afraid of it being too salty you can use reduced sodium soup and another meat, maybe half chicken and half ham to keep the flavor. Now you know. Ingredients