Wisconsin Potato and Vegetable Growers Association

Golden Potato Onion Gratin

Golden Potato Onion Gratin

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Prep Time 20 minutes
Cook Time 1 hour
Total Time 1 hour 21 minutes
Course Side Dish
Servings 6
Calories 171 kcal


  • 2 tablespoons Butter
  • 1 inch medium sweet onion slliced l/4thick
  • 2 pounds Wisconsin Yukon Gold potatoes sliced 1/4
  • 1 teaspoon Sea salt
  • 1/2 teaspoon ground white pepper
  • 1 cup shredded gruyere cheese
  • 1/4 cup shredded asiago cheese
  • 1 cup heavy whipping cream


  • In large skillet, heat butter over medium-high heat. Add onions; cover and cook until onion wilts about 6 minutes.
  • Preheat oven to 375 degrees. Spray a 9-inch square baking dish with no-stick cooking spray.
  • Arrange half of the potatoes in prepared pan and top with half of the onions.
  • Season with half of the salt and pepper. Repeat layers.
  • Sprinkle gruyere and asiago cheeses over top. Gently pour cream over cheeses.
  • Cover with foil and bake for 20 minutes. Remove cover and bake until potatoes are tender and top is golden brown about 40 minutes.


Calories: 171kcalCarbohydrates: 1gProtein: 1gFat: 18gSaturated Fat: 12gPolyunsaturated Fat: 1gMonounsaturated Fat: 5gTrans Fat: 1gCholesterol: 64mgSodium: 436mgPotassium: 31mgFiber: 1gSugar: 1gVitamin A: 700IUVitamin C: 1mgCalcium: 28mgIron: 1mg
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