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This sweet potato au gratin features tender sweet potatoes in a rich cream sauce with lots of gouda, gruyere, and Parmesan cheese baked on top.
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Three Cheese Sweet Potato Au Gratin

This sweet potato au gratin features tender sweet potatoes in a rich cream sauce with lots of gouda, gruyere, and Parmesan cheese baked on top.
Prep Time 20 minutes
Cook Time 45 minutes
Total Time 1 hour 5 minutes
Servings 5 servings
Calories 315kcal

Ingredients

  • 1-1/2 lbs sweet potatoes, peeled and very thinly sliced
  • 1-1/2 cups heavy whipping cream
  • 1/4 teaspoon ground nutmeg
  • 1 teaspoon minced fresh thyme
  • 1 teaspoon kosher salt
  • 1/2 teaspoon ground black pepper
  • 1/2 cup shredded gruyere cheese
  • 1/2 cup shredded gouda cheese
  • 1/4 cup grated Parmesan cheese
  • Additional minced thyme for topping

Instructions

  • Preheat oven to 375F. Lightly grease an 8x8 inch square baking pan.
  • Arrange sweet potatoes in baking pan, slightly overlapping to make them all fit. In a medium bowl, whisk heavy cream, nutmeg, thyme, salt and pepper until smooth.
  • Pour cream mixture evenly over sweet potatoes and top with cheeses. Bake au gratin at 375F 30-35 minutes until sweet potatoes are tender and top is lightly browned.
  • Top au gratin with additional thyme and allow to sit 10 minutes before serving warm. Enjoy!

Notes

Storing Instructions
Store sweet potato au gratin in refrigerator up to 4 days.

Nutrition

Serving: 6oz | Calories: 315kcal | Carbohydrates: 31.5g | Protein: 9.2g | Fat: 17.2g | Saturated Fat: 10.7g | Cholesterol: 64mg | Sodium: 696mg | Potassium: 59mg | Fiber: 2.1g | Sugar: 23.5g | Calcium: 288mg