Behold the the dish that will make you wish you wore sweatpants this Thanksgiving.

Cream, cheese, and butter have the power to turn any starch into a thing of gooey greatness, and this potato gratin is hard evidence. Thinly sliced Russet potatoes were born to be bathing in Gruyère, while sweet caramelized onions and an herby tablespoon of thyme are just enough to cut through all of that amazing dairy.

RECIPE: Caramelized Onion and Potato Gratin

There’s about ten minutes of actual work here, which makes for an excellent calorie-to-time ratio.