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Sweet Potato Au Gratin Recipe

Sweet Potato Au Gratin Recipe

This Sweet Potato Au Gratin is a creamy, comforting dish perfect for any occasion, featuring layers of tender sweet potatoes, creamy sauce, and a cheesy crust.
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Prep Time: 20 minutes
Cook Time: 1 hour
Total Time: 1 hour 20 minutes
Servings: 6
Calories: 120kcal

Ingredients
 

Main Ingredients

  • 3 lbs sweet potatoes peeled and sliced
  • 1.5 cups heavy cream
  • 1 cup grated Gruyere cheese or any melting cheese
  • 0.5 cup grated Parmesan cheese
  • 2 tablespoons unsalted butter for greasing
  • 3 cloves garlic minced
  • 1 teaspoon salt or to taste
  • 0.5 teaspoon black pepper freshly ground
  • 0.25 teaspoon nutmeg freshly grated
  • 1 tablespoon fresh thyme chopped

Instructions

Preparation Steps

  • Preheat your oven to 375°F (190°C). Grease a baking dish with butter.
  • Layer half of the sweet potatoes in the prepared dish.
  • In a saucepan, heat heavy cream with minced garlic, salt, pepper, and nutmeg until warm.
  • Pour half of the cream mixture over the sweet potatoes and sprinkle with half of the Gruyere and Parmesan cheeses.
  • Repeat with remaining sweet potatoes and cream. Sprinkle the remaining cheese on top.
  • Cover with foil and bake for 40 minutes. Remove foil and bake for an additional 20 minutes until the top is golden brown.
  • Garnish with fresh thyme before serving.

Notes

This dish can be prepared a day in advance and reheated before serving.