Scalloped Potatoes - cooking recipe

Ingredients

6 medium potatoes
3 Tbsp. butter
2 Tbsp. flour
3 c. milk
1 tsp. salt
1/4 tsp. pepper
2 Tbsp. chopped onion

Preparation

Peel and slice potatoes.
Place in a greased casserole dish. Prepare white sauce from butter, flour, milk, salt and pepper by mixing over medium heat.
Add chopped onion and pour over potatoes.
Bake at 350\u00b0, covered, for 1 hour.
Uncover and continue baking until golden brown.