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Savory Potato and Leek Gratin

A creamy, comforting French-style gratin layered with tender potatoes, sweet leeks, and golden melted cheese.
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Prep Time 30 minutes
Cook Time 1 hour 10 minutes
Total Time 1 hour 40 minutes
Servings: 8 servings
Course: Side Dish
Cuisine: Comfort Food, French
Calories: 380
Ingredients Equipment Method Notes

Ingredients
  

Vegetables
  • 2.5 lbs Yukon Gold potatoes thinly sliced
  • 3 leeks sliced
  • 2 tbsp butter
Cream Base
  • 2 cups heavy cream
  • 1 cup whole milk
  • 2 cloves garlic minced
  • 1 tsp salt
  • 0.5 tsp black pepper
  • 0.25 tsp nutmeg
Cheese
  • 1 cup Gruyère cheese grated
  • 0.5 cup Parmesan cheese grated

Equipment

  • Baking dish
  • Saucepan
  • Skillet

Method
 

  1. Preheat oven to 375°F (190°C) and butter a baking dish.
  2. Sauté leeks in butter until soft and lightly golden.
  3. Warm cream, milk, garlic, and seasoning gently.
  4. Layer potatoes, leeks, and cheese in baking dish.
  5. Pour cream mixture over layers and press gently.
  6. Bake covered 45 minutes, then uncovered until golden.

Notes

Rest before serving to allow gratin to set. Excellent for holidays and special meals.