If you’re looking for that perfect comfort food that’s super easy to whip up and seriously satisfying, you’re in the right place. This Slow Cooker Hash Brown Casserole Recipe is one of my absolute favorites to bring to brunches, potlucks, or just your regular weekend breakfast. It’s creamy, cheesy, and so darn cozy, plus you get to set it and forget it — which means more time enjoying your company (or your coffee). Trust me, once you try this, it’ll be on constant repeat!

Why You’ll Love This Recipe

Effortless Slow Cooker Convenience: Throw everything in, set the timer, and come back to a hot, bubbly casserole ready to enjoy.
Rich, Creamy Comfort Food: The combo of cheddar, sour cream, and heavy cream makes this dish irresistibly creamy without any fuss.
Family & Crowd Pleaser: Perfect for feeding a crowd or meal prepping for the week – it always disappears fast.
Versatile and Customizable: Easily tweak the seasonings or add-ins to make it your own signature casserole.

Ingredients & Why They Work

Each ingredient in this Slow Cooker Hash Brown Casserole Recipe has a job that leads to that perfect creamy texture and rich flavor we all crave in our comfort casseroles. Using frozen hash browns is a game-changer for convenience, while a little flour helps everything thicken perfectly without getting gluey.

Slow Cooker Hash Brown Casserole Recipe - Ingredients

Frozen hash browns: The base of the dish – frozen works best for texture and ease; no need to thaw before mixing.
Flour: Acts as a thickener to keep the casserole creamy and hold it together nicely.
Shredded cheddar cheese: Sharp cheddar gives body and that classic cheesy flavor; reserve some for a cheesy crust topping.
Chicken broth: Adds savory depth without overpowering the creaminess.
Heavy cream: Boosts richness and makes each bite luxuriously smooth.
Sour cream: Adds tang and creaminess that brightens the overall taste.
Onion powder: Subtle savory note without chunks of onion – perfect for those who like smooth textures.
Salt: Essential to bring out all the flavors without making it too salty.

Note:
Exact ingredients and measurements are listed in the recipe card below.

Make It Your Way

I love making this Slow Cooker Hash Brown Casserole Recipe my own by adding a little twist based on what’s in the fridge or the season. You can totally get creative here — it’s your chance to make it reflect your style.

Variation: For a smoky kick, I sometimes stir in cooked crumbled bacon before cooking; it adds a beautiful depth of flavor that everyone raves about.
Vegetarian option: Try swapping chicken broth for vegetable broth and add sautéed mushrooms for extra umami.
Make it gluten-free: Just replace the flour with your favorite gluten-free alternative and verify your hash browns are gluten-free too — easy peasy!
Add herbs: Fresh chives or thyme sprinkled on top after cooking make the dish pop with freshness.

Step-by-Step: How I Make Slow Cooker Hash Brown Casserole Recipe

Slow Cooker Hash Brown Casserole Recipe - Recipe Step

Step 1: Prep and Toss the Hash Browns

Start by placing your frozen hash browns into a large bowl. Don’t thaw them—that’ll just make things mushy. Sprinkle the flour over and toss everything around to coat the potatoes nicely. This step helps the mixture thicken as it cooks, so don’t skip it!

Step 2: Mix in the Creamy Goodness

Add shredded cheddar cheese, chicken broth, heavy cream, sour cream, onion powder, and salt to the bowl. Stir everything gently but thoroughly until it’s a creamy, well-blended mix. Pro tip: Save a handful of shredded cheese to sprinkle over the top before cooking—that’s what gives the casserole that irresistible cheesy crust.

Step 3: Transfer to the Slow Cooker and Cook

Carefully spoon the mixture into your slow cooker. Avoid smearing the sides too much, because bits clinging to the edges can burn during cooking. Once it’s all in, sprinkle the reserved shredded cheese evenly over the top. Cover and cook on high for about 2 hours or on low for 4 hours. You’ll want to check near the end to make sure it’s bubbling and golden on top.

Pro Tips for Making Slow Cooker Hash Brown Casserole Recipe

Keep It Creamy: Use full-fat dairy ingredients to get that rich, smooth texture every time—skim milk just won’t cut it here.
Prevent Burning: Resist the urge to stir during cooking and keep the sides clean; that prevents the edges from overcooking and burning.
Cheese Choice: Sharp cheddar works beautifully, but I’ve used a combo of cheddar and Monterey Jack for extra meltiness with great results.
Timing Matters: Stick close to your slow cooker’s timing to avoid overcooking, which can make the casserole dry.

How to Serve Slow Cooker Hash Brown Casserole Recipe

Slow Cooker Hash Brown Casserole Recipe - Serving Suggestion

Garnishes

Once it’s out of the slow cooker, I love topping it with a sprinkle of crispy green onions or freshly chopped chives for a pop of color and mild, oniony freshness. A little cracked black pepper on top doesn’t hurt either—it brings out that creamy cheese flavor even more.

Side Dishes

This dish pairs so well with lighter sides like a crisp green salad dressed in vinaigrette or roasted veggies to balance the richness. When I’m serving it for brunch, I like to add scrambled eggs and some crispy bacon or sausage for a full-on hearty spread.

Creative Ways to Present

For holidays or brunch parties, I’ve served this casserole in shallow ceramic baking dishes right out of the slow cooker insert for a rustic charm. You can also divide it into smaller individual ramekins—the cheesy topping crisps up so nicely this way, and everyone gets their own cozy serving.

Make Ahead and Storage

Storing Leftovers

Leftovers? Absolutely yes. I transfer any extras into an airtight container and pop them in the fridge. It keeps well for up to 3 days. When I’m ready for round two, I just reheat in the microwave, stirring once halfway through to keep it evenly warm.

Freezing

This casserole freezes beautifully too. I usually let it cool completely, then portion it into freezer-safe containers. When you want a quick meal, thaw overnight in the fridge, then reheat gently in the oven to get the top crispy again.

Reheating

When reheating, I prefer to use the oven or toaster oven at 350°F, covered loosely to avoid drying out. It takes about 15–20 minutes, and I usually add a bit more shredded cheese on top halfway through to freshen that lovely melted crust.

FAQs

Can I use fresh potatoes instead of frozen hash browns?

While fresh potatoes could work, frozen hash browns are recommended for their convenience and consistent texture. Fresh potatoes need peeling, grating, and sometimes pre-cooking, which complicates the simple, hands-off nature of this slow cooker recipe.
Is this Slow Cooker Hash Brown Casserole Recipe gluten-free?

The original recipe uses regular flour, so it’s not gluten-free as is. However, you can easily make it gluten-free by swapping in gluten-free flour and ensuring the hash browns you buy are labeled gluten-free.
How do I prevent the casserole from drying out in the slow cooker?

Make sure to use full-fat dairy ingredients and keep an eye on cooking times. Avoid opening the lid too often, and don’t let the mixture cling to the slow cooker edges where it can overcook. Stir the mixture well before cooking to distribute moisture evenly.
Can I add meat to this casserole?

Yes! Adding cooked bacon, sausage, or even diced ham before cooking can make this dish heartier and more filling. Just mix them in with the other ingredients before transferring to the slow cooker.

Final Thoughts

This Slow Cooker Hash Brown Casserole Recipe has been a comforting staple in my kitchen for years, especially when I want a cozy dish that comes together effortlessly. It’s the kind of recipe that brings people around the table with smiles and second helpings. I hope you give it a shot — it’s easy to love and even easier to make. Just like I always tell my friends, sometimes the simplest dishes create the best memories. Happy cooking!