Make-Ahead Skillet-Baked Cheesy Potato Gratin

This creamy baked potato gratin composed of thinly sliced potato, heavy cream, and hard cheese is an easy, festive side that can be made ahead of schedule. Parcook the potatoes in sauce until tender, then transfer them to a cast iron dish and top with plenty of cheese. Just pop the whole thing in the oven five to ten minutes before you’re ready to serve, flame cooking until the sauce bubbles and the cheese turns a beautiful golden brown. This recipe uses King Edward potatoes, which are soft and tender, but if you prefer a bit more bite in your gratin, try waxy varieties such as new potatoes, French fingerlings, Red Bliss, Jersey Royals, Adirondack Reds, Russian Bananas (potentially the best-named potato ever?) or others.


Difficulty

Servings

Serves 2 to 4 as a side

Prep Time

45 minutes

By Ooni HQ

Make-Ahead Skillet-Baked Cheesy Potato Gratin

1. Fire up your oven.

Aim for 220°C on the baking stone inside. Use the thermometer to quickly and easily check the temperature.



2. In a saucepan, add potatoes, milk, cream, butter, and garlic.

Season with salt, pepper and nutmeg, then  stir. Bring to a boil over medium heat, then lightly simmer for 8 to 10 minutes. The potatoes should be tender and the sauce slightly thickened. Taste and adjust seasoning as needed. 


3. Lightly grease the cast iron pan with butter.

Pour the potato and cream mix into the pan, spreading evenly using the back of a spoon. Sprinkle grated Gruyère and Parmesan over the top. 


4. Cook in your Ooni oven for 5 to 6 minutes, turning the pan every 2 minutes, until the sauce is bubbling and the cheese has turned a deep golden brown.

Let cool for a couple of minutes before serving. 

Ooni HQ

From wood-fired flavour to gas-powered consistency to electrified convenience, you can use Ooni's portable pizza ovens in the kitchen, backyard or beyond.

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