2poundsYukon gold potatoespeeled and thinly sliced
3/4cupsheavy cream
3/4cupswhole milk
2-3clovesgarlicminced
1tablespoonfresh thyme
1teaspoonkosher salt
1teaspoonground black pepper
1cupGruyere cheeseshredded
1/2cupParmesan cheeseshredded
Instructions
Preheat the oven to 400 ℉.
Add the cream, milk (alternatively you can use 1.5 cups of half and half), garlic, thyme, salt and pepper to a saucepan. Over medium heat bring the cream mixture to a just to a simmer then remove the pan from the heat.
Peel the potatoes and cut them into 1/8" inch slices using a mandoline or a sharp knife.
Grease the baking dish or gratin dish with butter. Layer potatoes in the baking dish and then pour the cream mixture over the potatoes ensuring everything is evenly covered. Sprinkle the parmesan cheese and gruyere cheese over the top of the potatoes.
Cover with foil and bake for 30 minutes. Remove the foil and bake for an additional 30 minutes or until the top is golden brown.