Heat oven to 375°F. Spray 1 1/2-quart glass baking dish with cooking spray. Directions 1. 3. Bake 12 to 15 minutes or until sauce is bubbling. https://www.tasteofhome.com/recipes/skillet-scalloped-potatoes Pour mixture into baking dish. 2. In a 3-quart casserole , combine the dehydrated potatoes with the sauce mix and the amount of butter called for on the box directions. Stir in sour cream dip. Make potatoes as directed on box for stove-top directions. Preheat the oven according to the package directions on the scalloped potato mix box. https://www.recipezazz.com/recipe/stove-top-scalloped-potatoes-1059 Top with onions. If there are no directions on the box you can cook the ham first, when thats done wrapp tightly with foil to keep warm, and cook the potatoes and mac and cheese 0 0 tracyhide https://idahoan.com/products/cheesy-scalloped-homestyle-casserole Sprinkle with parsley.