A rich and comforting dish featuring layers of potatoes, bacon, and cheese, baked to golden perfection.
Preheat your oven to 350°F (175°C).
Preheating ensures even cooking right from the start.
Slice the potatoes thinly using a knife or mandoline.
Uniform slices cook evenly and create a beautiful layered effect.
Cook the bacon in a frying pan until crispy, then set aside.
Crispy bacon adds a delightful texture to the dish.
In the same pan, sauté the onions until soft and translucent.
Using the bacon fat to cook the onions enhances their flavor.
Grease a gratin dish with butter, then layer half the potatoes, followed by half the bacon, onions, and cheese.
Press down gently on the layers to compact them slightly.
Repeat the layering with the remaining ingredients, finishing with cheese on top.
Ensure the top layer of cheese is evenly spread for a golden crust.
Pour the heavy cream evenly over the layered ingredients.
Pour slowly to allow the cream to seep through the layers.
Bake in the preheated oven for 30 minutes, or until the top is golden and bubbly.
Check the doneness by inserting a knife into the center; it should slide in easily.
Let the gratin rest for 5 minutes before serving.
Resting allows the layers to set, making it easier to serve.
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