Scalloped Potatoes - cooking recipe

Ingredients

5 medium potatoes
6 Tbsp. butter
1 1/2 c. milk
2 Tbsp. cornstarch
2 Tbsp. diced onion
salt and pepper to taste

Preparation

Mix potatoes and onions; put in greased pan.
Make sauce by mixing milk, butter, cornstarch, salt and pepper.
Cook until smooth.
Pour over potatoes.
Bake 90 minutes at 360\u00b0, uncovered.