slow cooker potatoes au gratin crock pot
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Slow Cooker Potatoes Au Gratin

This slow cooker spin on potatoes au gratin add a little something special and different to your dinner menu.
Prep Time10 mins
Cook Time4 mins
Total Time14 mins
Course: Dinner
Servings: 10
Author: Lisa Douglas


  • 8 whole potatoes scrubbed with peels left on
  • 4 Tablespoons butter softened
  • 3 cups milk
  • 4 Tablespoons flour
  • 3 teaspoons minced garlic
  • 2 teaspoons salt
  • 1 teaspoon ground mustard
  • Plenty of freshly ground black pepper to taste
  • 2 cups sharp cheddar cheese freshly grated


  • With a basting brush, spread the softened butter all over the bottom of the slow cooker.
  • Cut potatoes into slices, as thick or thin as you'd like, and place in bowl and set aside.
  • In a separate bowl, whisk together milk, flour, minced garlic, salt, mustard, and black pepper.
  • Place 1/3 of the potatoes in the bottom of the baking dish. Pour 1/3 of the milk mixture over the potatoes.
  • Repeat this twice more, ending with the milk mixture on top.
  • Season once more.
  • Cover with slow cooker top and set on low for 4 hours.
  • After 3 1/2 hours, remove foil and grate fresh cheddar over top.
  • Continue to cook in slow cooker for 20-30 more minutes.
  • Spoon carefully onto plates and let cool a few minutes before serving.