01 -
Set the oven temperature to 200°C for optimal browning and even cooking.
02 -
Slice Yukon gold potatoes thinly and uniformly using a mandolin or sharp chef’s knife for even texture.
03 -
In a large saucepan over medium heat, melt butter and add the minced garlic. Sprinkle in the flour and whisk continuously for 1–2 minutes to form a roux.
04 -
Gradually pour in the heavy cream, whisking until the mixture thickens, approximately 5 minutes. Stir in Parmesan cheese, fresh thyme, salt, and black pepper until evenly incorporated.
05 -
In a large mixing bowl, gently toss the potato slices with the prepared cream sauce to ensure all surfaces are coated.
06 -
Arrange the coated potato slices vertically in a greased baking dish. Pour any remaining sauce evenly over the potatoes.
07 -
Cover the dish with aluminum foil and bake in the preheated oven for 30 minutes to allow potatoes to begin cooking through.
08 -
Remove the foil and continue baking for an additional 30 minutes, or until the top is golden brown and the potatoes are tender.
09 -
Allow to cool for 10 minutes before serving to let the dish set for clean portions.