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A serving of Crock-Pot Au Gratin Potatoes with fresh parsley.

Crock-Pot Au Gratin Potatoes

Close-up of a smiling woman with curly dark hair sitting indoors at a cafe or restaurant.Amy Golden
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Prep Time 15 minutes
Cook Time 4 hours 30 minutes
Total Time 4 hours 45 minutes
Course Side Dish
Cuisine American
Servings 6 servings
Calories 516 kcal

Ingredients
  

  • 4 1/2 tablespoons unsalted butter
  • 4 tablespoons all-purpose flour
  • 2 cups half-and-half
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • 1/2 teaspoon kosher salt plus more, to taste
  • 1/2 teaspoon black pepper
  • 1 3/4 cups sharp cheddar cheese shredded
  • 3 pounds russet potatoes peeled and sliced into 1/8-inch thick slices
  • Fresh chopped parsley for garnish

Instructions
 

  • Spray a 6-quart Crock-Pot with nonstick cooking spray.
  • In a medium saucepan over medium-high heat, melt the butter. Add the flour and stir until combined. Whisk in the half-and-half, garlic powder, onion powder, salt, and pepper.
    Creamy sauce being prepared with spices in a saucepan on a gray surface.
  • Cook for 2 to 3 minutes, whisking continuously until the mixture thickens. Remove from heat and stir in the shredded cheddar cheese until smooth.
    Adding shredded sharp cheddar cheese to the creamy sauce for Crock-Pot Au Gratin Potatoes.
  • Layer a third of the sliced potatoes in the bottom of the Crock-Pot. Pour about a third of the cheese sauce over the potatoes. Repeat these layers two more times, ending with the cheese sauce on top.
    Layering sliced russet potatoes and cheese sauce in a Crock-Pot for au gratin potatoes.
  • Cover the Crock-Pot and cook on high for 3 to 4 hours, until the potatoes are tender. Remove the lid for the last 30 minutes to allow the sauce to thicken.
    Thickening Crock-Pot au gratin potatoes in a slow cooker.
  • Serve the au gratin potatoes hot, garnished with fresh parsley.

Nutrition

Calories: 516kcalCarbohydrates: 50gProtein: 16gFat: 29gSaturated Fat: 17gSodium: 472mgFiber: 3g
Keyword Crock Pot Au Gratin Potatoes
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