Creamy, cheesy, and utterly irresistible, our Potatoes Au Gratin recipe is a must-try! Thinly sliced potatoes are enveloped in a rich blend of butter, cream, and heaps of cheese, baking to golden perfection. Easy to prepare and perfect for any occasion, this dish is sure to steal the show at your next gathering.
Make the Sauce: Melt butter in a saucepan. Whisk in flour and cook for 1–2 minutes. Gradually add milk, whisking until smooth and thick. Stir in 200 g cheese, parsley, nutmeg, salt, and pepper. Cook until creamy.
Preheat: Heat oven to 200°C (392°F).
Prep Potatoes: Peel and slice potatoes thinly (about 1.5 mm). Slice onion and garlic.
Assemble: Arrange potato slices upright in a baking dish. Tuck in onion and garlic. Pour cheese sauce over, then top with remaining cheese.
Bake: Cover with foil and bake 1–1½ hours, until tender. Remove foil and bake another 10–15 minutes until golden and bubbly.
Serve: Let rest 5 minutes, then serve warm and enjoy!