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slow-cooker-potato-gratin-feature

Slow Cooker Potato Gratin – Creamy, Cheesy, and Easy to Make

This Slow Cooker Potato Gratin is rich, creamy, cheesy, and hands-off—perfect for busy weeknights, holidays, or when oven space is limited. Thinly sliced potatoes are slow-cooked with garlic, herbs, cream, and cheese until perfectly tender. It’s cozy, satisfying, and always a crowd favorite!

  • Total Time: 4-5 hours
  • Yield: 6-8 servings 1x

Ingredients

Scale
  • 2½ lbs Yukon gold or russet potatoes, thinly sliced
  • 2 tbsp unsalted butter (for greasing slow cooker)
  • 2 cups heavy cream (or half-and-half)
  • 1 cup shredded Gruyère or cheddar cheese
  • 1 cup grated Parmesan (divided)
  • 2 cloves garlic, minced
  • 1 tsp salt
  • ½ tsp black pepper
  • ½ tsp dried thyme or Italian seasoning
  • Chopped fresh parsley (for garnish)

Instructions

  1. Grease slow cooker with butter.
  2. Mix cream, garlic, salt, pepper, and thyme in a bowl.
  3. Layer potatoes, sauce, and cheese in the slow cooker. Repeat for 2–3 layers.
  4. Cook on LOW for 4–5 hours, or HIGH for 2–3 hours until tender.
  5. Top with remaining Parmesan, cover for 10 mins, and garnish with parsley.
  • Author: [email protected]
  • Prep Time: 15 minutes
  • Cook Time: 4-5 hours
  • Category: Side dish
  • Method: Slow cooker
  • Cuisine: American
  • Diet: Vegetarian