-
Peel the potatoes and slice thinly.
-
Wash the leeks thoroughly and slice thinly discarding about the last 2 inches of the green tops.
-
Mix together the flour, salt, pepper and nutmeg.
-
Grease a casserole dish.
-
Put in alternate layers of potatoes and leeks sprinkling each layer with the seasoned flour and small chips of butter.
-
The top layer should be potatoes.
-
Dot the top with butter, pour hot milk on top of the casserole.
-
Bake in the oven uncovered (gas 5, 375°F, 190°C.) for about 1 hour.