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Crockpot Scalloped Potatoes: A Creamy Slow-Cooked Comfort Food Classic

Few side dishes bring the same level of comfort and warmth as scalloped potatoes. Traditionally baked in the oven, this beloved dish is known for its delicate layers of thinly sliced potatoes covered in a rich, creamy sauce. However, the crockpot version takes this classic recipe to another level by allowing the potatoes to cook slowly, absorb every bit of flavor, and become wonderfully tender without requiring constant attention.

Crockpot scalloped potatoes are perfect for busy weeknight dinners, holiday gatherings, family celebrations, or any occasion where you want a satisfying homemade dish with minimal effort. The slow cooking process creates a silky texture and allows simple ingredients like potatoes, cheese, cream, and herbs to blend together into a deeply flavorful side dish.

Why Make Scalloped Potatoes in a Crockpot?

Using a slow cooker offers several advantages over the traditional oven method. The gentle heat cooks the potatoes evenly, preventing them from drying out while allowing the sauce to slowly thicken. It also frees up oven space, which is especially helpful when preparing large meals during holidays.

Another benefit is convenience. Once the ingredients are layered and the crockpot is turned on, the dish requires very little attention. The result is a creamy, flavorful potato dish that tastes as though you spent hours preparing it.

Ingredients You Will Need

To prepare delicious crockpot scalloped potatoes, gather the following ingredients:

3 pounds of potatoes (Yukon Gold or Russet potatoes work well)
1 medium onion, thinly sliced
3 tablespoons butter
3 tablespoons all-purpose flour
2 cups milk or half-and-half
1 cup heavy cream
2 cups shredded cheddar cheese (optional but recommended)
2 cloves garlic, minced
1 teaspoon salt (adjust to taste)
½ teaspoon black pepper
1 teaspoon dried thyme or fresh thyme leaves
½ teaspoon paprika for extra flavor and color
Fresh parsley or chives for garnish

Step-by-Step Method to Make Crockpot Scalloped Potatoes

Step 1: Prepare the Potatoes

Begin by washing and peeling the potatoes if desired. Yukon Gold potatoes can be left unpeeled because their thin skin adds flavor and texture.

Slice the potatoes into thin, even rounds, approximately ⅛ inch thick. Uniform slices are important because they ensure that every piece cooks at the same rate. A mandoline slicer can make this step easier, but a sharp knife works perfectly as well.

After slicing, place the potatoes in cold water for a few minutes to remove excess starch. Drain them thoroughly and pat them dry before using.

Step 2: Prepare the Creamy Sauce

The sauce is what transforms simple potatoes into a rich and comforting dish.

In a small saucepan, melt the butter over medium heat. Add the minced garlic and cook for about 30 seconds until fragrant. Sprinkle in the flour and whisk continuously for about one minute. This creates a smooth base that helps thicken the sauce.

Slowly pour in the milk and cream while whisking to prevent lumps. Continue cooking until the mixture begins to slightly thicken. Add salt, pepper, thyme, and paprika. Remove from heat and stir in half of the shredded cheese until melted.

This homemade sauce gives the scalloped potatoes a richer flavor than using canned soups or pre-made sauces.