Leftover Ham Casserole - cooking recipe

Ingredients

4 large baking potatoes
3 tablespoons butter or 3 tablespoons margarine
3 tablespoons flour
1 cup milk
1/4 teaspoon salt
1/4 teaspoon pepper
1/4 cup dry white wine
1 lb cooked ham, sliced
1 large onion, sliced
1 cup shredded monterey jack cheese

Preparation

Peel potatoes & slice very thinly.
Pat dry with paper towels & set aside.
Melt butter in a small heavy saucepan.
Remove from heat & whisk in flour.
Gradually whisk in milk & seasonings, return to heat and stir constantly until thickened, about 10 minutes.
Remove from heat and add the wine.
Set aside.
Assemble in layers in the bottom of a lightly greased ovenproof casserole dish- 1/2 of the ham, 1/2 of the potatoes, 1/2 the onions, 1/2 the sauce and 1/2 the cheese.
Repeat the layers.
Cover & bake in a preheated 350\u00b0F oven for an hour.
Remove cover & continue baking for another 15 minutes.