Yukon Gold Potato Gratin

Yukon Gold Potato Gratin
Yukon Gold Potato Gratin

Yukon Gold Potato Gratin

Prep Time 30 minutes
Cook Time 1 hour
Resting Time 10 minutes
Total Time 1 hour 30 minutes
Servings 12 people
Calories 314 kcal



  • Onion Mixture
  • 3 tbsp olive oil
  • 4 large onions sliced pole to pole
  • ¼ tsp salt
  • ¼ tsp black pepper


  • 1 cup Pecorino Romano cheese finely grated
  • 3 tbsp olive oil
  • ½ cup panko bread crumbs
  • ½ tsp black pepper


  • 5 lbs Yukon Gold potatoes peeled & sliced into 1/8 inch slices
  • 2 cloves garlic minced
  • 1 tsp fresh thyme divided
  • 1 ¼ cup chicken broth divided
  • 6 tbsp olive oil
  • 1 tsp salt
  • ½ tsp black pepper


  • Preheat oven to 400 degrees Fahrenheit.
  • In a stainless fry pan, sauté the onion mixture on medium-low for about 40 minutes until well caramelized.
  • Peel and slice potatoes and keep under damp paper towel or flour sack towel. This will keep them from turning brown.
  • Create the topping mixture by combining the 4 ingredients and toss well to incorporate. Do not add any salt because the cheese is salty enough.
  • Return to the onion mixture and add minced garlic and ½ tsp fresh thyme, cook for 30 seconds then add ¼ cup chicken stock to deglaze pan. Cook until all stock is evaporated.
  • In a large bowl, combine potatoes, olive oil, salt, pepper and remaining ½ tsp fresh thyme.
  • Coat a 9x13 baking dish with cooking spray or olive oil.
  • Layer ½ of the potato mixture in baking dish.
  • Spread all of the onion mixture on top of the potato layer, evenly.
  • Add remaining potatoes, layered on top of onion mixture.
  • Pour ¾ cup of chicken broth over the potato/onion mixture.
  • Cover with foil.
  • Bake in 400 degree oven for one hour.
  • Remove from oven, apply topping mixture.
  • Return to oven, uncovered and bake for 15-20 minutes.
  • Allow to rest for 10 minutes before serving.


Calories: 314kcalCarbohydrates: 34gProtein: 8gFat: 17gSaturated Fat: 3gCholesterol: 10mgSodium: 479mgPotassium: 880mgFiber: 5gSugar: 2gVitamin A: 35IUVitamin C: 27.2mgCalcium: 159mgIron: 6.4mg
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