This casserole is a traditional Christmas food, eaten with ham, boiled peas, boiled dried plums and pickled beets. Names in parentheses are used in Finland.
- Peel potatoes.
- Boil them in salted water until soft. Mash them.
- Add milk and butter.
- Beat soft. Add eggs one at the time, beating.
- Add sugar and nutmeg.
- Pour into buttered casserole pot. (Sprinkle bread crumbs and little butter cubes on top.) Bake in 200 C oven for 30 - 40 minutes.