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Scalloped Potatoes with Leeks and Thyme

A creamy, layered potato dish baked to perfection, bringing together comforting flavors ideal for families and gatherings.
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Prep Time 15 minutes
Cook Time 1 hour
Total Time 1 hour 15 minutes
Servings: 6 servings
Course: Side Dish
Cuisine: American
Calories: 300
Ingredients Method Notes

Ingredients
  

For the Creamy Mixture
  • 2 tablespoons butter Used for greasing the baking dish and adding richness to the sauce.
  • 2 medium leeks Provides a mild onion flavor that complements the potatoes beautifully.
  • 2 cloves garlic Adds depth and a warm aroma to the creamy sauce.
  • 1 teaspoon thyme Offers an earthy flavor, enhancing the dish’s overall profile.
  • 2 cups whole milk Creates a creamy texture in the sauce.
  • 1 cup heavy cream Contributes to a rich and decadent sauce.
  • 1 teaspoon kosher salt Balances and enhances the flavors of the other ingredients.
  • 1/2 teaspoon ground black pepper Adds a subtle heat and flavor complexity.
Main Ingredients
  • 3 pounds yellow/golden potatoes The star ingredient, providing a creamy and tender base for the dish.

Method
 

Preparation
  1. Preheat the oven to 350 degrees F.
  2. Coat an 8×8 inch baking dish with butter.
Cooking
  1. Heat a medium saucepan over medium-high heat and melt butter; add leeks and cook, stirring for 2 minutes.
  2. Stir in garlic and thyme and cook for an additional 30 seconds.
  3. Stir in milk, heavy cream, salt, and pepper; bring to a boil.
  4. Lower the heat and let the mixture simmer until slightly thickened, about 5 minutes.
  5. Add sliced potatoes to the saucepan and stir to coat them well in the sauce.
  6. Pour the potato mixture into the prepared baking dish, spreading evenly.
  7. Bake in the preheated oven until the potatoes are cooked through, lightly brown, and bubbly, about 1 hour.
  8. Optional: Baste with sauce halfway through if time permits.
  9. Allow the dish to cool slightly before serving.

Notes

Allowing the dish to sit for a few minutes before serving helps it set, making serving easier. Basting midway helps to keep the potatoes moist and enriches the flavor.