Ingredients:
- 2½ lbs potatoes, peeled and thinly sliced
- 3 tbsp butter
- 3 tbsp all-purpose flour
- 2½ cups whole milk
- 1 cup heavy cream
- 1½ tsp salt
- ½ tsp black pepper
- ½ tsp garlic powder
- ½ tsp onion powder
- 1 tsp dried thyme
- 1 cup shredded cheddar cheese, optional
- 2 tbsp grated Parmesan cheese
- Fresh parsley, for garnish
Method:
- Preheat oven to 375°F (190°C). Grease a 9×13-inch baking dish.
- Melt the butter in a saucepan over medium heat. Whisk in the flour and cook for 1 minute.
- Gradually whisk in the milk and heavy cream until smooth.
- Add salt, pepper, garlic powder, onion powder, and thyme. Simmer for 3–5 minutes, stirring, until slightly thickened.
- Arrange half of the sliced potatoes in an even layer in the baking dish.
- Pour half of the cream sauce over the potatoes. Sprinkle with half of the cheddar, if using.
- Add the remaining potatoes and pour the remaining sauce over the top.
- Sprinkle with Parmesan and the remaining cheddar.
- Cover tightly with foil and bake for 45 minutes.
- Remove the foil and bake for another 30–40 minutes, until the potatoes are tender and the top is golden and bubbling.
- Let rest for 10–15 minutes before serving.
- Garnish with fresh parsley and enjoy! 🌿