Turn dehydrated potatoes plus chopped ham into an easy, cheesy, potato scallop casserole. Recently, I found a bag of dehydrated sliced potatoes hiding in the pantry. I had dried this particular batch while testing recipes for Mixes in a Jar. The bag wasn’t full, there were only about 2 cups of potatoes, but that Turn dehydrated potatoes plus chopped ham into an easy, cheesy, potato scallop casserole. Recently, I found a bag of dehydrated sliced potatoes hiding in the pantry.