Scalloped Hasselback Potatoes

[collage]

[infobox]
[supply]Potatoes[/supply]
[supply]Butter[/supply]
[supply]Cheese[/supply]
[supply]Vegetable oil[/supply]
[supply]Heavy cream[/supply]
[supply]Salt[/supply]
[supply]Garlic powder[/supply]
[supply]Sour cream (optional)[/supply]
[/infobox]

scalloped-hasselback-potatoes-recipe-04