Combine mayonnaise, sour cream, horseradish ... not stir. Repeat layers, ending with a layer ... servings. New potatoes are better and need no peeling.
Stem diced potatoes to tender. ... dish bottom. Place layer of cooked potatoes and so on. Serve cold as salad or hot as a casserole. Onions may be layered if desired.
Add mayonnaise mixture to potatoes ... paper. Spoon 1/3 potato mixture and press evenly into ... or ham. Repeat layers, ending with potatoes, carefully ... peel off wax paper.