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Easy Sweet Potato Gratin

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"Easy to prepare. Very rich. Onions change the taste for the better. A truly wonderful addition to a holiday meal. Perfect for Thanksgiving."
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1 h 45 m servings 387 cals
Original recipe yields 12 servings

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  1. Preheat oven to 375 degrees F (190 degrees C).
  2. Heat oil in a skillet over medium-low heat; cook and stir onions until tender and golden, about 30 minutes.
  3. Place sweet potatoes in a large bowl.
  4. Heat cream and maple syrup together in a saucepan over high heat; cook and stir until almost boiling, about 5 minutes. Pour 2/3 the cream mixture over sweet potatoes; toss to evenly coat.
  5. Layer potatoes in a 9x13-inch casserole dish, seasoning with salt every 5 to 6 layers. Pour remaining cream mixture over potatoes until potatoes are 3/4 covered. Cover dish with aluminum foil.
  6. Bake in the preheated oven for 30 minutes. Remove aluminum foil and gently stir potatoes; top with caramelized onions. Bake until potatoes are tender, about 20 more minutes. Allow to cool for about 30 minutes before serving.


  • Partner tip: Reynolds® Aluminum foil can be used to keep food moist, cook it evenly, and make clean-up easier.

Nutrition Facts

Per Serving: 387 calories; 19.5 g fat; 51.5 g carbohydrates; 3.5 g protein; 54 mg cholesterol; 102 mg sodium. Powered by the ESHA Research Database © 2018, ESHA Research, Inc. All Rights Reserved

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