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Delicious Crockpot Scalloped Potatoes

A rich and creamy comfort dish featuring thinly sliced potatoes layered in a savory cheese sauce. Easy to prepare in a slow cooker, this vegetarian recipe satisfies with a buttery base, cheddar, Parmesan, and aromatic spices.
Prep Time20 minutes
Cook Time6 hours 20 minutes
Total Time6 hours 40 minutes
Course: Main Dishes
Cuisine: American
Servings: 6 servings
Calories: 250kcal
Author: AI Generator

Ingredients

  • 2 1/2 lbs potatoes, thinly sliced
  • 3 tablespoons unsalted butter
  • 1 small onion, finely chopped
  • 3 cloves garlic, minced
  • 3 tablespoons all-purpose flour
  • 2 cups whole milk
  • 1 cup heavy cream
  • 1 1/2 cups shredded cheddar cheese
  • 1/2 cup grated Parmesan cheese
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1/2 teaspoon paprika
  • 1/2 teaspoon dried thyme

Instructions

  • Wash, peel, and slice the potatoes into 1/8-inch-thick slices
  • Melt the butter in a saucepan over medium heat
  • Add the chopped onion and cook for 3-4 minutes until soft
  • Add the minced garlic and cook for 30 seconds
  • Whisk in the flour for 1 minute to make a roux
  • Gradually pour in the milk and heavy cream, whisking constantly to avoid lumps
  • Cook for 3-5 minutes until the sauce slightly thickens
  • Remove from heat and stir in cheddar, Parmesan, salt, pepper, paprika, and thyme until smooth
  • Lightly grease the slow cooker
  • Layer sliced potatoes and cheese sauce alternately, starting and ending with sauce
  • Cook on low for 6-7 hours or high for 3-4 hours until tender
  • Let sit uncovered for 10-15 minutes before serving to set the sauce

Notes

Use Russet or Idaho potatoes for their starchy texture
Ensure layers are snug to prevent air gaps
Optional: Add paprika or thyme for extra depth
Resting time helps achieve the perfect creamy consistency
Store leftovers covered in the refrigerator for up to 3 days