Sweet Onion Potatoes Au Gratin Recipe

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Sweet Onion Potatoes Au Gratin
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  1. Tablespoons butter
  2. Large or 2 medium sweet onions, such as Vidalia, thinly sliced
  3. Salt and freshly ground black pepper
  4. /2 teaspoon ground thyme
  5. Bay leaf, fresh or dried
  6. Pounds baby Yukon gold potatoes or fingerling potatoes
  7. /2 to 2/3 cup heavy cream
  8. /2 cup grated Parmigiano-Reggiano
  9. /2 pound brick Gruyere or Swiss cheese, shredded
  10. Directions
  11. Heat a small skillet with the butter over medium heat. Add the onions, season with salt ground thyme, bay leaf and cook until very soft and sweet and lightly caramelized, 20 minutes. Season with salt and pepper, to taste, and discard the bay leaf.
  12. While the onions cook, put the potatoes in a medium pot and cover with water. Bring to a boil, then salt the water and cook to tender, 12 to 15 minutes. Drain and return the potatoes to the hot pot. Mash the potatoes with the cream and Parmesan and season with salt and pepper, to taste.
  13. Preheat the broiler.
  14. Arrange the mashed potatoes in individual gratin dishes or 1 shallow casserole. Top the potatoes with the onions and Gruyere cheese. Put them on a sheet pan and brown under a hot broiler until bubbly, about 2 minutes. Remove from the oven and serve hot.
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Nutrition Facts

Per ServingPer 100 g
Amount Per 1 Serving
Calories 167.8 Kcal (703 kJ)
Calories from fat 0 Kcal
% Daily Value*
Total Fat 0g 0%
Potassium 950.08mg 20%
Total Carbs 40.82g 14%
Sugars 2.27g 9%
Dietary Fiber 2.27g 9%
Protein 4.54g 9%
Vitamin C 40.8mg 68%
Iron 183.7mg 1020%
Calcium 31.7mg 3%
Amount Per 100 g
Calories 74 Kcal (310 kJ)
Calories from fat 0 Kcal
% Daily Value*
Total Fat 0g 0%
Potassium 419mg 20%
Total Carbs 18g 14%
Sugars 1g 9%
Dietary Fiber 1g 9%
Protein 2g 9%
Vitamin C 18mg 68%
Iron 81mg 1020%
Calcium 14mg 3%

* Percent Daily Values are based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Find out how many calories should you eat.


  • salty
  • savory
  • bitter
  • sweet
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Recipe Tags

Weightwatchers Points

  • 2.9
  • 5

Good Points

  • fat free,
  • saturated fat free,
  • sodium free,
  • cholesterol free

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