Crockpot Hashbrown Casserole
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Crockpot Hashbrown Casserole

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I don’t know about you, but there’s something so comforting about waking up on a chilly morning to the smell of cheesy potatoes bubbling away in the slow cooker. A few weekends ago, I threw together my trusty Crockpot Hashbrown Casserole before my first cup of coffee, and by the time I came back to the kitchen, it was like coming home to a giant, warm hug. Seriously, it’s the kind of breakfast that feels like a little celebration—without you having to scramble around at the last minute.

This recipe has been on repeat at my house for over ten years now (yes, really!). It’s a no-fuss, hands-off slow cooker delight that marries tender shredded potatoes, savory onions, and gooey cheddar into one craveable dish. Whether you’re feeding a crowd at Easter brunch, treating your family to a lazy Sunday breakfast, or prepping ahead for holiday morning chaos, this casserole’s got your back. Plus, I’ve lightened it up a bit—swapping in Greek yogurt for some of the creaminess—so you can indulge without the usual guilt trip.

Crockpot Hashbrown Casserole bubbling in slow cooker

Why You’ll Love This Recipe

  • No oven needed—your kitchen stays cool, and you’ll have one less thing to worry about.
  • Total hands-off cooking—set it, forget it, and sip that coffee while your crockpot does the work.
  • Creamy but never soggy—my little cheese-on-top trick gives you a perfectly golden crust.
  • Feeds a crowd—easily serves 8–10 as a side or 6 as a hearty main brunch dish.
  • Customizable—think spinach, mushrooms, bacon, or even a spicy jalapeño kick.
  • Gluten-free base—just double-check your yogurt and seasonings.
  • Prep ahead—mix it up the night before, refrigerate, and cook in the morning.
  • Family favorite—guaranteed to disappear fast (you might want to hide a corner for yourself).
  • Budget-friendly—uses simple pantry staples; no fancy ingredients required.

Ingredients

  • 32 oz (about 900 g) frozen shredded hashbrowns, thawed overnight in the fridge (or rinse & pat dry if you’re using fresh—you can do that!)
  • 1 cup (240 g) full-fat Greek yogurt (or plain sour cream)—for tang and extra creaminess
  • ½ cup (115 g) salted butter, melted (sub margarine or coconut oil for a dairy-free spin)
  • ½ cup (120 ml) whole milk (higher fat gives you that silky texture; almond or soy milk works, too)
  • 1 large onion, finely chopped (I love sweet onions, but yellow or white both work)
  • 2 cloves garlic, minced (fresh garlic truly makes a difference, but use jarred in a pinch)
  • 3 cups (340 g) sharp cheddar cheese, shredded (save 1 cup for sprinkling on top!)
  • 1 teaspoon kosher salt (or a bit less if you’re watching sodium)
  • ½ teaspoon freshly ground black pepper
  • ½ teaspoon smoked paprika (totally optional, but adds a cozy warmth and lovely color)
  • ¼ teaspoon dry mustard (this little touch boosts the cheesy flavor—trust me)
  • Fresh chives or parsley, chopped, for garnish (because a pop of green makes my heart happy)

Casual Tips & Substitutions: Swap cheddar for Colby Jack if you like it milder, or pepper jack if you’re a spice-lover. Want it plant-based? Use dairy-free yogurt, vegan butter, and your favorite vegan cheese. (You’ll still get that gooey vibe!)

Directions

  1. Give your 6-quart slow cooker a light spray of nonstick or a quick rub with butter—this helps the casserole slide right out later (no scraping required!).
  2. In a large bowl, toss together the thawed hashbrowns, chopped onion, garlic, salt, pepper, smoked paprika, and dry mustard. Stir gently—overmixing can bruise the potatoes and make them mushy, and we are here for that perfect tender bite.
  3. In a small saucepan (or the microwave if you’re in a hurry), melt the butter. Whisk in the Greek yogurt and milk until the mixture is totally smooth. Give it a quick taste—adjust the salt or pepper if you feel fancy.
  4. Pour this creamy goodness over the potato blend. Use a spatula (silicone is best) to coat everything evenly—don’t skip this part, or you’ll miss those little pockets of flavor!
  5. Transfer the potato mixture to your slow cooker, smoothing the top with the back of a spoon or your spatula. Pop the lid on and cook on LOW for 4 hours. Short on time? HIGH for 2½–3 hours works, too—just try not to peek.
  6. About 15 minutes before you need to eat, sprinkle the reserved cup of cheddar over the surface. Cover again and let the cheese melt into a gorgeous golden crust. (This is the moment you become everyone’s hero.)
  7. Check for doneness by poking a fork in the center—it should glide right through, and the sauce should be thick and luscious. If there’s extra liquid hanging around, stir gently and cook uncovered on HIGH for another 10–15 minutes.
  8. Garnish with fresh chives or parsley. Then dig in hot—and maybe snap a quick photo for Instagram. Go ahead, I won’t tell!

Variations

  • Bacon & Scallion: Fold in 8 crumbled slices of crisp bacon and a handful of sliced green onions before cooking (hello, flavor bomb!).
  • Jalapeño Cheddar: Dice two seeded jalapeños and swap half the cheddar for pepper jack cheese—spice seekers, this one’s for you.
  • Veggie-Packed: Stir in a cup of fresh spinach and ¾ cup diced bell pepper for color, crunch, and extra nutrients.
  • Southwest Twist: Mix in ½ cup black beans and ½ cup corn kernels, then top with fresh cilantro and a squeeze of lime.
  • Dairy-Free Delight: Go full vegan with dairy-free yogurt, vegan cheese, and plant-based milk—still cozy, still cheesy (ish!).
  • Fancy Fungi: Sauté a cup of sliced mushrooms with the onions for an earthy, umami-rich upgrade.

Storage & Reheating

Any leftovers are a dream. Store them in an airtight container in the fridge for up to 4 days. To freeze, portion into freezer-safe bags or containers and label with the date—you can keep it up to 3 months! Thaw overnight in the fridge, then warm in the microwave for 2–3 minutes on medium or pop back into the slow cooker on LOW for an hour. If you’re craving a crispy top, spread it in a baking dish and bake at 350°F for 10–15 minutes until bubbly and golden.

Final Thoughts

There you have it—my beloved Crockpot Hashbrown Casserole, aka the easiest, coziest, most comforting breakfast (or brunch or dinner—who am I to judge?) you’ll ever make. I promise this recipe will become a go-to in your repertoire, just like it has in mine. So give it a whirl, tweak it to fit your family’s tastes, and let me know how it turns out. Drop a comment below with your favorite variation or any questions—I love hearing from you all! Until next time, happy cooking and stay cozy.

Crockpot Hashbrown Casserole

Crockpot Hashbrown Casserole

This Crockpot Hashbrown Casserole is a no-bake, hands-off slow cooker comfort food that delivers gooey, cheesy potatoes perfect for breakfast, brunch, or a holiday potluck.
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Prep Time 20 minutes
Cook Time 4 minutes
Course Breakfast, brunch
Cuisine American
Servings 8 servings

Ingredients
  

  • 32 oz (900 g) frozen shredded hashbrowns, thawed overnight in the fridge
  • 1 cup (240 g) full-fat Greek yogurt (or plain sour cream)—for tang and creaminess
  • ½ cup (115 g) salted butter, melted (sub margarine or coconut oil for dairy-free)
  • ½ cup (120 ml) whole milk (higher fat yields silkier texture)
  • 1 large onion, finely chopped (sweet onion adds mellow flavor)
  • 2 cloves garlic, minced (fresh over jarred for best aroma)
  • 3 cups (340 g) sharp cheddar cheese, shredded (keep 1 cup aside for topping)
  • 1 tsp kosher salt
  • ½ tsp black pepper, freshly ground
  • ½ tsp smoked paprika (optional—adds warmth and color)
  • ¼ tsp dry mustard (enhances cheesy tang)
  • Fresh chives or parsley, chopped, for garnish (optional)

Instructions
 

  • Lightly grease a 6-quart slow cooker with nonstick spray or butter so the casserole slides out easily.
  • In a large bowl, combine thawed hashbrowns, onion, garlic, salt, pepper, paprika, and dry mustard. Stir gently—overmixing can bruise the potatoes.
  • Melt butter and whisk together with Greek yogurt and milk until smooth. Taste and adjust seasoning.
  • Pour the creamy mixture over the potatoes; toss with a silicone spatula to coat evenly.
  • Transfer potato blend to the Crockpot; gently pat the top level. Cover and cook on LOW for 4 hours (or HIGH for 2½–3 hours).
  • About 15 minutes before the end, sprinkle the reserved cheddar across the surface. Replace the lid and let it melt into a golden crust.
  • Check doneness by inserting a fork—potatoes should yield easily, and sauce should be thick. Garnish with chopped chives or parsley, then serve hot.

Notes

• Layering the final cheese on top rather than mixing it all in keeps the casserole from getting gummy. • If you spot excess moisture, drain a bit before adding the cheese. • Swap half the milk for cream for extra richness. • Swirl in a spoonful of pesto at the end for a fresh, herby twist.
Keyword cheesy potatoes, Crockpot Recipe, Potato Casserole, Slow Cooker Recipe
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