Scalloped Potatoes - cooking recipe

Ingredients

6 potatoes
3 Tbsp. butter
3 Tbsp. flour
2 1/2 c. milk
1 tsp. salt
2 Tbsp. chopped onions

Preparation

Make sauce with milk, flour and butter.
Layer with potatoes. Cover and bake at 350\u00b0 for 1 hour.