Au gratin potatoes recipe

Creamy Au Gratin Potatoes Ingredients: 4 cups thinly sliced potatoes (Russet or Yukon Gold) 1 onion, sliced into rings 3 tablespoons butter 3 tablespoons all-purpose flour 1 ½ cups milk 1 ½ cups shredded Cheddar cheese Salt and pepper to taste Optional: ½ teaspoon garlic powder, ½ teaspoon thyme Instructions: Preheat Oven: Preheat your oven to 350°F (175°C). Prepare Potatoes: Layer half of the sliced potatoes in a greased 9x13-inch baking dish. Top with the onion slices, then add the remaining potatoes. Make Cheese Sauce: In a medium saucepan, melt the butter over medium heat. Stir in the flour and cook for about 1 minute. Gradually whisk in the milk, cooking until the mixture has thickened. Stir in the cheese until melted and smooth. Season with salt, pepper, and any optional seasonings. Assemble and Bake: Pour the cheese sauce over the potatoes. Cover the dish with aluminum foil and bake for 1 hour. Remove the foil and bake for an additional 30 minutes, or until the potatoes are tender and the top is golden brown. Serve: Let the dish cool for a few minutes before serving. Enjoy! This classic French dish is perfect as a side for any meal, especially with roast meats or a fresh green salad