Ingredients
Method
Prepare the Potatoes
- Preheat the oven to 375?F (190?C). Grease a baking dish with butter.
- Thinly slice the potatoes using a mandoline or sharp knife.
Make the Cheese Sauce
- In a saucepan, melt the butter over medium heat. Stir in the flour and cook for 1 minute.
- Gradually whisk in the heavy cream, garlic powder, salt, and pepper. Cook until thickened.
- Remove from heat and stir in the cheddar and Gruy?re cheeses until melted.
Assemble and Bake
- Layer half of the sliced potatoes in the greased baking dish. Pour half of the cheese sauce over the potatoes.
- Repeat with the remaining potatoes and cheese sauce.
- Mix the breadcrumbs and Parmesan cheese together, then sprinkle over the top layer.
- Cover with foil and bake for 45 minutes. Remove foil and bake for an additional 15 minutes until golden brown.
Nutrition
Notes
Let the dish rest for 10 minutes before serving for easier slicing.
