Mother Cloutier's Potatoes au Gratin

Description
Serves 2-3

Ingredients

 * 3 large potatoes
 * a little salted water
 * 1/2 tsp Tony's seasoning
 * ½ to ¾tbls of butter
 * ½ onion, chopped
 * 1½ cups milk
 * 3 tbsp flour
 * 4 slices American cheese

Directions

 * 1) Cook potatoes in a little salted water until not quite tender
 * 2) Slice potatoes thin, put in casserole dish coated with non-stick spray (or butter) (after draining)
 * 3) Melt butter in seperate pan and add chopped onion
 * 4) Sauté in the butter until tender
 * 5) Add 1½ cups milk
 * 6) When bubbly, add 3 tbsp flour to thicken
 * 7) Add 4 slices American cheese
 * 8) Stir until melted
 * 9) Pour over potatoes and lightly mix so as not to break potatoes
 * 10) Bake at 350°F until brown