Scalloped Potatoes - cooking recipe

Ingredients

6 potatoes
1 chopped onion
2 tsp. salt and pepper
3 Tbsp. butter
2 Tbsp. flour
2 c. hot milk
3/4 c. grated cheese

Preparation

Melt butter in saucepan.
Add flour and seasonings and stir until smooth.
Slowly add the milk, stirring constantly.
When it thickens, melt the grated cheese in the sauce.