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Olivia

Potato Au Gratin

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Potato au gratin is a classic baked dish made with thinly sliced potatoes, creamy sauce, and melted cheese for comforting vegetable-forward meals.
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Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Servings: 4 -6
Course: Side Dish
Cuisine: American
Calories: 292
Ingredients Equipment Cooking Instructions Nutrition Notes

Ingredients
  

  • 2 lbs potatoes Yukon Gold or russet, thinly sliced
  • 2 tablespoons butter or olive oil
  • 2 garlic cloves minced
  • 1½ cups milk or cream or plant milk
  • 1 cup grated cheese Gruyère, cheddar, or plant-based alternative
  • Salt and black pepper to taste
  • Fresh thyme or rosemary Optional
  • Nutmeg pinch Optional
  • Sautéed onions or leeks Optional

Equipment

Baking Dish
Baking Dish
$24.99
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02/02/2026 03:00 pm GMT
Oven Baking pans

Cooking Instructions
 

  1. Preheat oven to 375°F (190°C).
  2. Lightly grease a baking dish.
  3. In a small saucepan, melt butter over medium heat.
  4. Add garlic and cook 30 seconds.
  5. Stir in milk or cream, salt, pepper, and a pinch of nutmeg if using.
  6. Heat gently - do not boil.
  7. Arrange a layer of potatoes in the baking dish.
  8. Pour a little sauce over the top and sprinkle with cheese.
  9. Repeat layers until all potatoes are used.
  10. Cover loosely with foil and bake 40 minutes.
  11. Remove foil and bake 10–15 minutes more, until golden and tender.
  12. Let rest 10 minutes before serving.

Nutrition

Calories: 292kcalCarbohydrates: 41gProtein: 11gFat: 10gSaturated Fat: 5gPolyunsaturated Fat: 0.4gMonounsaturated Fat: 2gCholesterol: 28mgSodium: 199mgPotassium: 983mgFiber: 5gSugar: 2gVitamin A: 288IUVitamin C: 45mgCalcium: 230mgIron: 2mg

Notes

Lighter version: use milk instead of cream and reduce cheese
Vegan: use plant milk and dairy-free cheese
Grow-it-yourself: potatoes store well and last months
Serve with: salads, roasted vegetables, or greens

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