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Yukon Gold Sweet Potato Gratin

A cozy and creamy gratin featuring layers of tender Yukon Gold and sweet potatoes, enriched with heavy cream and fresh thyme for a flavorful dish perfect for gatherings.
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Prep Time 30 minutes
Cook Time 50 minutes
Total Time 1 hour 20 minutes
Servings: 6 servings
Course: Comfort Food, Side Dish
Cuisine: American, Vegetarian
Calories: 350
Ingredients Method Notes

Ingredients
  

Potatoes
  • 2 large Yukon Gold Potatoes, peeled Provides a buttery sweetness and creamy texture.
  • 2 large Sweet Potatoes, peeled The star of the show with natural sweetness.
Cream Mixture
  • 1 cup Heavy Cream Makes the gratin luxuriously rich.
  • 2 tablespoons Butter For savory depth.
  • 1 teaspoon Fresh Thyme, chopped Adds warm earthiness.
  • 1 teaspoon Salt Enhances flavors.
  • 1/2 teaspoon Black Pepper, freshly cracked Enhances taste.
Optional Topping
  • 1 cup Grated Cheese Sharp cheddar works best for a cheesy crust.

Method
 

Preparation
  1. Preheat your oven to 375°F (190°C).
  2. Peel and thinly slice Yukon Gold and sweet potatoes to about 1/8-inch thickness.
  3. In a saucepan over medium heat, melt butter, then stir in heavy cream, fresh thyme, salt, and pepper. Warm without boiling.
Layering
  1. In a greased baking dish, layer the sliced potatoes, alternating between Yukon Gold and sweet potatoes.
  2. Pour the cream mixture evenly over the layered potatoes.
  3. If desired, sprinkle grated cheese on top.
Baking
  1. Cover the baking dish with foil and bake for 30 minutes.
  2. Remove the foil and continue baking for an additional 15-20 minutes until the top is golden brown and potatoes are tender.
  3. Let cool slightly before serving.

Notes

For best results, aim for even potato slices and consider prepping the potatoes a day ahead. Feel free to experiment with different herbs and cheese varieties for added flavor.