3 Butter
3 Margarine
1/2 All-Purpose Flour
1/4 Salt
3/4 Pepper
3/4 Milk
4 Half-And-Half
1/3 White Potatoes
1 Onion
1 Dried Parsley Flakes
Cheddar Cheese


Grease 1 1/2 quart casserole.
Set aside.
In small saucepan melt butter.
Stir in flour, salt and pepper.
Blend in milk and half-and-half.
Cook on medium high heat, stirring constantly, until heated through.
Set aside.
Layer one-third of potato slices, half of onion, one-third of parsley, one-third of cheese and one-third of sauce in casserole.
Repeat layers.
Top with remaining potatoes, parsley, cheese and sauce.
Bake in 375F degrees Convection oven on rack 3, 45-60 minutes (or bake in preheated 375F degrees radiant bake oven 1-1 1/4 hours or until sauce is bubbly and potatoes are tender.