Comfort Potato & Mushroom Gratin

Stirring Memories

Comfort Potato & Mushroom Gratin

5 from 1 vote

Comfort potato and mushroom gratin is the kind of cozy, oven‑baked dish that transforms simple ingredients into something rich, earthy, and deeply satisfying, with tender layers of potatoes and savory mushrooms nestled beneath a creamy, golden crust. Its origins trace back to classic French gratins—especially gratin dauphinois—where thinly sliced potatoes were baked with cream to create a luxurious yet humble dish. Over time, cooks began adding mushrooms for extra depth and warmth, turning this rustic French staple into a comforting favorite perfect for chilly evenings and family gatherings.

Prep Time 15

Cook Time 30

Total Time 45

Servings: 4 People

Course: Sides

Cuisine: American, French

Calories: 983

Ingredients Method Notes

Ingredients

2 pounds potatoes
1 lb of a mixture of button baby bellas, shitake, or whatever you have on hand
1½ cups heavy cream
1 cup cheddar and Fontina and Monterey Jack (a mixture of all three)
2 cloves garlic crushed
1 teaspoon onion powder
2 tablespoons butter
1 teaspoon salt
½ teaspoon pepper

Method

Heat oven to 375°F.
2. Slice potatoes very thinly.
3. Sauté mushrooms in butter.
4. Layer potatoes and mushrooms in a baking dish.
5. Mix cream with garlic, salt and pepper and onion powder .
6. Pour over potatoes.
7. Top with cheese.
8. Cover with foil and bake 45 minutes.
9. Remove foil and bake 20–25 minutes more.

Notes

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