Ingredients

• Russet potatoes
• Onion rings
• Salt and pepper
• Butter
• All-purpose flour
• Milk
• Shredded Cheddar

Steps

1. Arrange half of the potato slices in a greased baking dish and lightly sprinkle with seasoning.
2. Distribute the onion rings evenly over the potato layer.
3. Place the remaining potatoes on top and season once more.
4. In a saucepan, melt the butter over medium heat.
5. Stir in the flour and salt, cooking for about a minute while mixing constantly.
6. Slowly pour in the milk, whisking steadily until the sauce thickens.
7. Add the grated cheese, stirring until it melts completely and the sauce is smooth.
8. Evenly pour the cheese sauce over the layered potatoes and onions.
9. Cover the dish with foil and bake at 175°C (350°F) until the potatoes are soft and the sauce is hot and bubbling.