Cheesy Weenie Potato Casserole

4cups cooked potatoes, sliced***
1tspn onion powder
1tspn garlic powder
1package hot dogs or wieners sliced
3tblsn margarine
3tblsn flour
1¼cup milk
1Can Cheddar Cheese soup

***cook them earlier in microwave and let cool an hour before slicing
Grease a 1 quart casserole dish

In a large microwave safe bowl heat butter 15seconds until soft, combine flour, onion and garlic powders mix well .And add cheese soup and milk and cook 35 seconds more.

In casserole layer potatoes and wieners topping each layer with cheese mixture. Back 450 for 30-40 minutes