Sweet Potato Gratin
This Sweet Potatoes au Gratin recipe features thinly sliced sweet potatoes layered with rich cream, aromatic herbs, and a blend of melted cheeses. Baked to golden perfection with a crisp, bubbly top, it's a comforting and elegant side dish perfect for any dinner gathering. The tender, creamy potatoes infused with garlic, thyme, and sage make each bite a delicious treat.
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Equipment
- 1 mandoline
- small saucepan
- baking dish
- Microplane
Ingredients
- 2-2.5 lbs sweet potatoes
- 1 ¼ cups heavy cream
- kosher salt
- black pepper
- 1 cup parmesan - 3-4 oz
- 2 cup gruyere grated - 6-8 oz
- pinch nutmeg
- 2 cloves garlic grated
- 2 teaspoons fresh thyme leaves chopped
- 2 teaspoons fresh sage chopped
Instructions
- Preheat oven to 400F.
- Slice potatoes with the mandoline slicer with ⅛ inch thickness.
- In a small saucepan, add the heavy cream, thyme leaves, chopped sage, grated garlic and nutmeg on medium heat until it simmers.
- Add one even layer of potatoes on the baking dish, season the layer with salt, pepper and the 2 cheeses. Repeat 3-4 more times. Pour the cream mixture and add the remaining cheese.
- Bake for 40 minutes using the middle rack until you have tender potatoes (you can check this with a fork). Then turn on your broiler and broil for 5-7 minutes until the top layer becomes golden brown. Let it cool for 10 mins before serving.
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Nutrition
Calories: 302kcal | Carbohydrates: 32g | Protein: 4g | Fat: 18g | Saturated Fat: 11g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Cholesterol: 56mg | Sodium: 97mg | Potassium: 568mg | Fiber: 5g | Sugar: 8g | Vitamin A: 22211IU | Vitamin C: 5mg | Calcium: 87mg | Iron: 1mg
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