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Sweet Potatoes Au Gratin

Prep Time:

25 minutes

Cook Time:



About the Recipe


  • 5 to 6 large sweet potatoes

  • 2 Tablespoons of Brown sugar

  • 3 Tablespoons of water or almond milk

  • 1 Teaspoon of cinnamon

  • 1 Tablespoon of pure vanilla extract

  • 1 Teaspoon nutmeg

  • ½ cup of salt-free butter or margarine

  • 1 Tablespoon of pure maple syrup

  • 3 Tablespoons of extra virgin olive oil

  • Ground pepper

  • Cured cast iron skillet


  1. Preheat oven 375 degrees

  2. Clean and dry your sweet potatoes. Peel the skin from each sweet potato and thinly slice each potato with a sharp knife or mandoline slicer

  3. Pour the olive oil in your cured cast iron skillet to fully coat the entire pan

  4. Place the thinly sliced sweet potatoes in the cast iron skillet, with the potatoes standing up like a deck of cards until the entire pan is full

  5. You can melt the butter or evenly place small slices of unsalted butter between the sliced sweet potatoes

  6. Sprinkle and evenly coat the sweet potatoes with the cinnamon, nutmeg and brown sugar

  7. Pour the maple syrup and vanilla extract over the sweet potatoes

  8. Add three tablespoons of water or almond milk and sprinkle pepper over the sweet potatoes

  9. Place aluminum foil over the skillet and bake in oven for 45 to 50 minutes. (Please note: If you like your sweet potatoes crispy, remove the foil during the last 15 minutes of baking)

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