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Gruyere Potatoes Au Gratin

Cheesy Gruyere Potatoes Au Gratin for Cozy Family Dinners

A comforting dish featuring cheesy Gruyere Potatoes Au Gratin, perfect for family dinners or festive gatherings.
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Prep Time 20 minutes
Cook Time 1 hour 5 minutes
Resting Time 10 minutes
Total Time 1 hour 35 minutes
Servings: 8 servings
Course: Dinner
Cuisine: French
Calories: 350
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Potatoes
  • 2 pounds Russet or Yukon Gold Potatoes Peeled and sliced uniformly
  • 1 small Onion, diced Adds sweetness and depth
  • 4 cloves Garlic, minced Infuses rich flavor
For the Sauce
  • 1/4 cup Unsalted Butter For sautéing
  • 1/4 cup All-Purpose Flour Thickens the sauce
  • 8 ounces Chicken Broth Can use vegetable broth for plant-based option
  • 16 ounces Whole Milk Avoid skim for proper texture
  • 1.5 teaspoons Salt Enhances flavors
  • 0.75 teaspoon Pepper Balances richness
  • 0.5 teaspoon Dried Thyme Adds herbaceous notes
  • 2 cups Gruyere Cheese, freshly shredded Key ingredient for cheesiness

Equipment

  • oven
  • Casserole Dish
  • Mandoline or Knife
  • medium saucepan

Method
 

Step‑by‑Step Instructions for Gruyere Potatoes Au Gratin
  1. Preheat your oven to 350°F (175°C) and grease a 9x13 casserole dish.
  2. Peel and slice potatoes into ⅛" thick slices and set aside.
  3. In a medium saucepan, melt butter over medium heat, sauté onion until translucent, then add garlic and cook for 30 seconds.
  4. Stir in flour and cook for 1 minute to create a roux.
  5. Whisk in chicken broth and milk gradually, cooking until thickened (3-4 minutes).
  6. Season sauce with salt, pepper, and thyme. Stir well.
  7. Layer the potatoes with sauce and half of the cheese in a greased casserole dish.
  8. Sprinkle remaining cheese on top, cover with aluminum foil, and bake for 45 minutes.
  9. Remove foil and bake for an additional 15-20 minutes until golden brown.
  10. Let it rest for at least 10 minutes before serving.

Nutrition

Serving: 1servingCalories: 350kcalCarbohydrates: 45gProtein: 9gFat: 15gSaturated Fat: 10gPolyunsaturated Fat: 1gMonounsaturated Fat: 3gCholesterol: 40mgSodium: 800mgPotassium: 700mgFiber: 4gSugar: 2gVitamin A: 500IUVitamin C: 15mgCalcium: 300mgIron: 2mg

Notes

For best results, use consistent slices of potatoes, and follow layering techniques for optimal flavor in every bite.

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