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Slow Cooker Au Gratin Potatoes

Slow Cooker Au Gratin Potatoes are creamy, cheesy and an easy side dish to make.
Prep Time 10 mins
Cook Time 6 hrs 5 mins
Course Dinner
Cuisine American
Servings 10 Servings
Calories 348 kcal


  • Slow Cooker or Crock Pot


  • 3 pounds Yukon Gold potatoes cut crosswise into ¼” thick slices
  • 1 cup heavy cream or half and half
  • 1 cup sour cream
  • 2 cups chicken or vegetable broth
  • 2 cups shredded Cheddar cheese divided
  • 1 teaspoon salt & pepper
  • 1 teaspoon garlic powder
  • 1 teaspoon smoked paprika
  • 1 teaspoon ground mustard


  • Spray the slow cooker insert with cooking oil. Spray a 9x13 casserole dish with cooking oil.
  • Steps 1-2: Add the sliced potatoes and 1 cup of the broth to the slow cooker.
  • Step 3: Cover and cook for 6 hours on low or 3 hours on high or until potatoes are tender (check halfway through for tenderness).
  • Step 4: Using a slotted spoon, remove the potatoes from the slow cooker and place in the prepared casserole dish.
  • Steps 5-6: Add remaining broth, spices and 1 cup of the shredded cheese to the slow cooker. Mix well. Keep the slow cooker on high until the cheese melts.
  • Steps 7-8: Pour mixture over the potatoes in the casserole dish and toss gently to coat well. Sprinkle remaining cheese over potatoes.
  • Step 9: Preheat oven broiler. Place potatoes under a broiler until they are brown and bubbling. Remove and serve.


I used my Instant Pot as a slow cooker for this recipe.  You can use a slow cooker or your pressure cooker as a slow cooker. 


Serving: 1ServingCalories: 348kcalCarbohydrates: 26gProtein: 11gFat: 23gSaturated Fat: 13gTrans Fat: 1gCholesterol: 76mgSodium: 416mgPotassium: 675mgFiber: 3gSugar: 2gVitamin A: 836IUVitamin C: 27mgCalcium: 223mgIron: 1mg
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