Ham And Scalloped Potatoes

8 slices Of ham
10 medium Potatoes, thinly sliced
1 cup Grated Cheddar
2 Onions, thinly sliced
1 can Cream of mushroom soup
Paprika
Salt and pepper to taste

Toss sliced potatoes in 1/2 teaspoon cream of tartar and 1 cup water. Drain.
Put half of ham, potatoes, and onions in crockpot. Sprinkle with salt and pepper, then grated cheese.
Repeat with remaining half.
Spoon undiluted soup over top.
Sprinkle with paprika.
Cover and cook on low 8 to 10 hours. (High: 4 hours).