Make-Ahead Mashed Potato Casserole

10 potatoes
1/2 lb cream cheese
1/4 c butter
1 c sour cream
1/2 c minced fresh parsley
pinch dried marjoram
salt & pepper
1/2 c coarse fresh bread crumbs

Cook potatoes until tender, not mushy. Drain, cool slightly, peel.
Mash until smooth. Blend in cream cheese & butter until melted.
Mix in onions, sour cream, parsley, marjoram, salt & pepper to taste.
Put in 8" baking dish, sprinkle with crumbs (can be refrigerated 2 days or frozen 1 week at this point. If freezing, thaw in fridge 24 hours. Add 10 mins to baking time.)
Bake at 400 for 20 min, until light golden. Makes 10 servings.