Escalloped Potatoes - cooking recipe

Ingredients

2 Tbsp. butter or oleo
2 Tbsp. flour
1 1/2 tsp. salt
2 c. milk
chopped cheese (if desired)
1/4 c. finely diced onion
5 c. sliced potatoes

Preparation

Heat first 4 ingredients slowly to bubbling point, stirring frequently.
Add finely diced onion and sliced potatoes.
Heat slowly to boiling point.
Add chopped cheese, if desired.
Put in greased casserole dish.
Add potatoes and cream sauce.
Can add diced ham or diced wieners, if desired.