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A hand holding a serving spoon with cheesy scalloped potatoes above a casserole dish filled with more scalloped potatoes, garnished with parsley.

Slow Cooker Scalloped Potatoes with Gruyère Recipe

Chef Jenn
Old-fashioned scalloped potatoes made in the slow cooker, with a Gruyère upgrade. The classic American side dish, freed from the oven and ready for Sunday dinner.
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Prep Time 20 minutes
Cook Time 5 hours 30 minutes
Resting time 15 minutes
Total Time 6 hours 5 minutes
Course Side Dish
Cuisine American
Servings 8 servings
Calories 441 kcal

Ingredients
  

  • 3 to 4 pounds russet potatoes peeled and thinly sliced (about 1/8 inch)
  • 1 yellow onion thinly sliced
  • 2 cups Gruyère cheese shredded
  • 2 cups heavy cream
  • 1 ½ teaspoons salt
  • ¾ teaspoon black pepper freshly ground

Instructions
 

  • Layer half the potatoes across the bottom of the slow cooker. Season with half the salt and pepper, scatter over half the onion, sprinkle a handful of the Gruyère, and pour over about 1 cup of heavy cream.
  • Repeat with the remaining potatoes, salt, pepper, onion, another handful of Gruyère, and the remaining cup of cream. Top with the rest of the Gruyère.
  • Cover and cook on LOW for 5 to 6 hours, or on HIGH for 3 to 4 hours, until the potatoes are completely tender when pierced with a fork.
  • Turn off the slow cooker and let it rest, uncovered, for 10 to 15 minutes before serving so the layers firm up.

Video

Notes

Recipe Card Tips

  • Slice thickness is everything. Aim for 1/8 inch and keep them as even as possible. A mandoline is the easiest tool for the job. Uneven slices give you a mix of mushy and underdone potatoes in the same dish, and there's no fixing it once it's cooked.
  • Don't skip the rest. Ten to fifteen minutes uncovered after the slow cooker shuts off is what turns a soupy dish into a serveable side. The cream needs that time to thicken and the cheese needs it to set.

Nutrition

Serving: 1cupCalories: 441kcalCarbohydrates: 35gProtein: 14gFat: 28gSaturated Fat: 18gPolyunsaturated Fat: 1gMonounsaturated Fat: 7gCholesterol: 84mgSodium: 862mgPotassium: 811mgFiber: 2gSugar: 4gVitamin A: 1073IUVitamin C: 11mgCalcium: 362mgIron: 2mg

A Note on Nutritional Information

Nutritional information for this recipe is provided as a courtesy and is calculated based on available online ingredient information. It is only an approximate value. The accuracy of the nutritional information for any recipe on this site cannot be guaranteed.

Keyword crockpot scalloped potatoes, old-fashioned scalloped potatoes, scalloped potatoes with Gruyère, slow cooker scalloped potatoes, vintage scalloped potatoes
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