Au Gratin Potatoes - cooking recipe

Ingredients

1 1/2 c. hot milk
1/2 medium onion
3/4 c. Swiss cheese, cubed
2 Tbsp. flour
2 Tbsp. margarine
4 medium potatoes, peeled and sliced thinly

Preparation

Put milk, onion, cheese, flour and margarine in blender. Cover and process or grind until smooth.
Layer half of potatoes in 2-quart casserole dish.
Pour half of milk mixture over potatoes.
Add remaining potatoes.
Pour remaining milk mixture over top.
Bake, uncovered, at 325\u00b0 for about 1 1/2 hours.
Serves 4 to 6.