Scalloped potatoes cooked in a slow cooker offer a creamy, tender, and flavorful side dish that requires minimal effort and yields perfect results every time. This method allows the potatoes to slowly absorb the rich sauce, resulting in a comforting dish ideal for family dinners or holiday gatherings.
Ingredients
- 4 large russet potatoes, peeled and thinly sliced (about 1/8 inch thick)
- 1 medium onion, finely chopped
- 3 cloves garlic, minced
- 2 cups shredded sharp cheddar cheese
- 1 cup whole milk
- 1 cup heavy cream
- 3 tablespoons unsalted butter, melted
- 2 tablespoons all-purpose flour
- 1 teaspoon salt
- ½ teaspoon black pepper
- ½ teaspoon paprika (optional, for flavor and color)
- Fresh chopped parsley (for garnish, optional)
Instructions
- Prepare the potatoes: Peel and thinly slice the potatoes using a sharp knife or mandoline for uniform thickness. Rinse the slices in cold water to remove excess starch, then pat dry with a clean towel.
- Make the cheese sauce: In a mixing bowl, whisk together the milk, heavy cream, melted butter, flour, salt, pepper, and paprika until smooth and well combined.
- Layer the ingredients: Lightly grease the slow cooker insert with butter or non-stick spray. Spread a layer of potato slices at the bottom, followed by a sprinkle of chopped onion and a handful of shredded cheese. Repeat layers until all ingredients are used, ending with a cheese layer on top.
- Pour the cheese sauce: Carefully pour the prepared sauce evenly over the layered potatoes, ensuring all slices are coated.
- Cook: Cover the slow cooker with the lid. Set to low and cook for 6 to 8 hours, or until the potatoes are tender when pierced with a fork. Avoid lifting the lid during the first 4 hours to prevent heat loss.
- Finish and serve: Once cooked, sprinkle with additional shredded cheese and let sit for 10 minutes with the lid off to allow the cheese to set. Garnish with chopped parsley if desired, then serve hot.
Tips
- Substitutions: You can substitute half-and-half or evaporated milk for the heavy cream to reduce richness. For a dairy-free version, use coconut milk and dairy-free cheese.
- Consistent slices: Using a mandoline ensures uniform thickness, which promotes even cooking and a consistent texture.
- Layering: Don’t overload the slow cooker; keep layers moderate to ensure even heat distribution and prevent overflowing.
- Storage: Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. Reheat gently in the microwave or oven, adding a splash of milk if needed to loosen the sauce.
Serving Suggestions
This slow cooker scalloped potatoes dish pairs beautifully with roasted meats like ham, roast chicken, or beef brisket. It also complements a simple green salad or steamed vegetables for a balanced meal. Serve it as a hearty side during holiday dinners or casual family gatherings for maximum comfort and flavor.
Variations
- Cheese options: Mix in Gruyère, Monterey Jack, or Parmesan for different flavor profiles.
- Herb additions: Add fresh thyme, rosemary, or chives to the cheese sauce for extra aroma and taste.
- Protein boost: Incorporate cooked bacon bits, ham slices, or cooked ground sausage layers for a more filling dish.
- Vegetable variations: Add sliced mushrooms, spinach, or cooked broccoli for added nutrition and texture.
Storage and Reheating
Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, transfer to a microwave-safe dish and warm in 1-2 minute intervals, stirring occasionally. Alternatively, reheat in a covered oven-safe dish at 350°F (175°C) for about 15-20 minutes, adding a splash of milk or cream if the dish appears dry. For best results, consume within 2-3 days of cooking to enjoy the dish at its freshest and most flavorful.
Frequently Asked Questions
Can I prepare this dish in advance?
Yes, you can assemble the layered potatoes and cheese sauce a day ahead, store it covered in the refrigerator, and then cook it in the slow cooker the next day. Just add an extra 30 minutes to the cooking time if starting from cold.
How do I prevent the potatoes from burning or sticking to the slow cooker?
Ensure the slow cooker insert is well greased before layering, and avoid overfilling it. Using a low setting helps cook the dish evenly without scorching the bottom. If your slow cooker tends to burn, placing a layer of parchment paper underneath the lid can help prevent condensation from dripping directly onto the dish.
Can I make this dish vegetarian or vegan?
Absolutely. Use plant-based cheeses and substitute dairy milk with almond, soy, or coconut milk. Incorporate nutritional yeast for a cheesy flavor if desired, and ensure the cheese or cheese substitute is suitable for your diet.
How do I know when the scalloped potatoes are done?
The potatoes are adequately cooked when they are tender and easily pierced with a fork. The sauce should be bubbling around the edges, and the top should be golden and slightly crispy if cheese is melted and browned. Cooking time varies between 6-8 hours depending on the slow cooker and potato thickness.
Can I use other types of potatoes?
Yes, Yukon Gold or red potatoes can be used, but russet potatoes are preferred for their starchy texture, which creates a creamier sauce. Adjust cooking times as needed based on the potato variety and thickness.
What if I want a crunchier top layer?
In the last 30 minutes of cooking, sprinkle additional shredded cheese and some breadcrumbs or crushed crackers on top, then increase the temperature to high for the final 30 minutes. This will give you a crispy, golden crust.
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