Scalloped Potatoes

4 C. thinly sliced potatoes
3 T. butter
3 T. flour
1 1/2 C. milk
1 tsp. salt
1 tsp. my house seasoning (equal parts garlic powder, onion powder and pepper…combine and store in an airtight container)
pinch of cayenne pepper
1 C. shredded sharp cheddar cheese
Melt the butter in a pot and whisk in the flour, cooking for 1 minute over med. high heat. 
Whisk in the milk, salt, house seasoning and cayenne pepper. 
Cook till the mixture thickens up, remove from heat and stir in the cheese. 
Place half of the potatoes in the bottom of a lightly greased 1 quart casserole dish. 
Pour half of the cheese mixture over the potatoes and spread around. 
Repeat with remaining potatoes and cheese mixture. 
Sprinkle the top with a little of the paprika. 
Bake in a 350 degree oven, uncovered, for 45 minutes.