These creamy slow cooker scalloped potatoes are a warm hug on your plate! With layers of tender potatoes and cheesy goodness, they are simply irresistible.
Honestly, I love how easy it is to toss everything into the slow cooker. Just set it and forget it—perfect for busy days or cozy family dinners! 🥔❤️
Key Ingredients & Substitutions
Potatoes: Russet potatoes are the best choice for this dish. They become tender and hold their shape well after cooking. If you prefer, Yukon gold potatoes can work too, as they have a creamy texture.
Cheddar Cheese: Sharp cheddar gives the dish a nice punch of flavor. If you’re looking for a milder option, try using mild cheddar or a blend of cheeses like Monterey Jack or Gouda for a different twist.
Heavy Cream: Heavy cream makes the sauce rich and luxurious. You can use half-and-half for a lighter version. For a dairy-free option, consider unsweetened almond milk or coconut cream, but keep in mind this may change the flavor slightly.
Onion: The onion adds sweetness and depth; however, if you’re avoiding onions, simply omit them. You can also use shallots for a milder taste or even powdered onion for convenience.
How Can I Make a Smooth Cheese Sauce?
Making a smooth cheese sauce is key to a creamy scalloped potato dish. First, you’re creating a roux, which helps thicken the sauce. Here’s how to do it:
- Melt butter in a saucepan, then add minced garlic for flavor.
- Sprinkle in the flour and stir constantly for about a minute to cook it.
- Slowly pour in the heavy cream or half-and-half while whisking continuously. This keeps the sauce lump-free.
- Let it simmer until it thickens, then stir in the cheese off the heat.
- If the sauce looks too thick, whisk in a little more cream.
Remember to season your sauce to bring out the flavors, and don’t rush the process—patience is key!

How to Make Slow Cooker Scalloped Potatoes
Ingredients You’ll Need:
For the Dish:
- 4 large russet potatoes, peeled and thinly sliced
- 1 medium onion, thinly sliced (optional)
- 3 cups shredded sharp cheddar cheese
- 2 cups heavy cream or half-and-half
- 2 cloves garlic, minced
- 1/2 cup grated Parmesan cheese
For the Sauce:
- 4 tablespoons unsalted butter
- 2 tablespoons all-purpose flour
Spices:
- 1 teaspoon salt
- 1/2 teaspoon black pepper
- 1/2 teaspoon paprika (optional)
For Garnish:
- 2 tablespoons fresh parsley, chopped
How Much Time Will You Need?
This delightful slow cooker scalloped potatoes recipe will take approximately 15 minutes to prepare and will require 4-6 hours of cooking on low, or 2-3 hours on high. You can set it and forget it, making this a fantastic side dish for any dinner!
Step-by-Step Instructions:
1. Prepare the Slow Cooker:
Start by lightly greasing the inside of your slow cooker with butter or a non-stick spray. This will help prevent sticking and make clean-up a breeze!
2. Make the Cheese Sauce:
In a medium saucepan, melt the butter over medium heat. Once melted, add the minced garlic and cook for about 1 minute until it becomes fragrant. Next, whisk in the flour and cook for another minute to form a roux, stirring constantly to avoid burning.
3. Add the Cream:
Gradually pour in the heavy cream or half-and-half while whisking continuously to prevent any lumps. Keep stirring as you bring the mixture to a gentle simmer, which should take about 3-5 minutes until it thickens nicely.
4. Add the Cheese:
Remove the saucepan from heat and stir in 2 cups of shredded cheddar cheese until completely melted. Season the sauce with salt, pepper, and paprika (if you’re using it) for extra flavor.
5. Layer the Potatoes:
Now it’s time to layer the ingredients! Start with half of the sliced potatoes in the slow cooker, followed by half of the sliced onions if you’re using them. Then, pour half of the creamy cheese sauce over the layers.
6. Repeat the Layers:
Repeat the process with the remaining potatoes, onions, and cheese sauce, making sure everything is distributed evenly. Don’t forget to sprinkle the remaining cup of cheddar cheese and the grated Parmesan cheese on top for that wonderful cheesy crust!
7. Cook:
Cover your slow cooker and set it to cook on low for 4-6 hours or on high for 2-3 hours. Check that the potatoes are tender and the cheese is bubbly and golden brown on top.
8. Serve and Enjoy:
Once cooked, garnish with freshly chopped parsley before serving. Enjoy your hot and comforting slow cooker scalloped potatoes as a delightful side dish for any meal!
Can I Use Other Types of Cheese?
Absolutely! While sharp cheddar is recommended for its flavor, you can experiment with other cheeses like Monterey Jack, Gouda, or a blend of your favorites. Just make sure to choose cheeses that melt well!
How Can I Make This Recipe Gluten-Free?
To make this dish gluten-free, simply replace the all-purpose flour with a gluten-free flour blend or cornstarch. This will help thicken the sauce without affecting the taste.
Can I Prepare This in Advance?
Yes! You can slice the potatoes and prepare the cheese sauce ahead of time. Store them separately in the refrigerator for up to a day. When you’re ready to cook, layer them in the slow cooker and proceed as normal.
How to Store Leftovers?
Store any leftovers in an airtight container in the fridge for up to 3 days. Reheat gently in the microwave or on the stovetop, adding a splash of cream or milk to loosen the sauce if needed.



