This slow cooker hash brown casserole is the perfect comfort food for any occasion. With its creamy texture and cheesy goodness, it's sure to be a hit with family and friends. The best part is that it's incredibly easy to make, requiring just a few simple ingredients and minimal prep time. Let your slow cooker do all the work while you enjoy the delicious aroma filling your kitchen.
Most of the ingredients for this recipe are common pantry staples, but you might need to pick up a few items if you don't have them on hand. Frozen hash browns are typically found in the freezer section of your supermarket. Cream of chicken soup is usually located in the canned soup aisle. Make sure to get shredded cheddar cheese and sour cream from the dairy section. Diced onions can be found in the produce section, or you can buy pre-diced onions to save time.

Ingredients for Slow Cooker Hash Brown Casserole
Frozen hash browns: These are shredded potatoes that have been frozen and are typically used in breakfast dishes. Cream of chicken soup: A condensed soup that adds creaminess and flavor to the casserole. Shredded cheddar cheese: Adds a rich, cheesy flavor and helps bind the casserole together. Sour cream: Adds creaminess and a slight tang to the dish. Diced onions: Adds a bit of crunch and a lot of flavor. Salt: Enhances the overall flavor of the dish. Black pepper: Adds a bit of heat and depth to the flavor.
Technique Tip for This Recipe
When preparing this hash brown casserole, make sure to thoroughly mix the ingredients in the large mixing bowl to ensure even distribution of flavors. For an extra layer of flavor, consider sautéing the diced onions until they are golden brown before adding them to the mixture. This will bring out their natural sweetness and add depth to the dish. Additionally, using freshly shredded cheddar cheese instead of pre-shredded can enhance the creaminess and melt better in the slow cooker.
Suggested Side Dishes
Alternative Ingredients
thawed frozen hash browns - Substitute with freshly grated potatoes: Freshly grated potatoes can provide a similar texture and flavor, though they may require a bit more preparation time.
cream of chicken soup - Substitute with cream of mushroom soup: Cream of mushroom soup offers a similar creamy consistency and can add a different but complementary flavor to the casserole.
shredded cheddar cheese - Substitute with shredded mozzarella cheese: Mozzarella cheese melts well and provides a milder flavor, which can be a good alternative for those who prefer a less sharp taste.
sour cream - Substitute with Greek yogurt: Greek yogurt has a similar creamy texture and tangy flavor, making it a healthier alternative with added protein.
diced onions - Substitute with shallots: Shallots offer a milder and slightly sweeter flavor compared to onions, which can add a subtle complexity to the dish.
salt - Substitute with soy sauce: Soy sauce can add a depth of umami flavor while also providing the necessary saltiness.
black pepper - Substitute with white pepper: White pepper has a similar heat but a slightly different flavor profile, which can add a unique twist to the casserole.
Other Alternative Recipes Similar to This Dish
How To Store / Freeze This Recipe
Allow the hash brown casserole to cool completely before storing. This helps prevent condensation, which can make the dish soggy.
Transfer the cooled casserole into an airtight container. If you don't have a large enough container, you can use multiple smaller ones.
For added freshness, place a layer of plastic wrap directly on the surface of the casserole before sealing the container.
Store the container in the refrigerator. The casserole will stay fresh for up to 3-4 days.
To reheat, preheat your oven to 350°F (175°C). Transfer the desired portion to an oven-safe dish and cover with aluminum foil. Heat for about 20-25 minutes or until warmed through.
If you prefer using a microwave, place a portion on a microwave-safe plate and cover with a microwave-safe lid or another plate. Heat on medium power for 2-3 minutes, stirring halfway through to ensure even heating.
To freeze, first ensure the casserole is completely cooled.
Portion the casserole into individual servings or family-sized portions, depending on your needs.
Wrap each portion tightly with plastic wrap, then place in a freezer-safe zip-top bag or airtight container. Label with the date and contents.
Store in the freezer for up to 2-3 months for best quality.
When ready to enjoy, thaw the casserole in the refrigerator overnight.
Reheat using the oven or microwave methods mentioned above. If reheating from frozen, you may need to add extra time to ensure the center is fully heated.
How To Reheat Leftovers
Preheat your oven to 350°F (175°C). Place the leftover hash brown casserole in an oven-safe dish, cover with aluminum foil, and bake for 20-25 minutes or until heated through. This method helps retain the creamy texture and ensures even heating.
For a quicker option, use the microwave. Transfer a portion of the casserole to a microwave-safe dish, cover with a microwave-safe lid or plastic wrap (leaving a small vent), and heat on medium power for 2-3 minutes. Stir halfway through to ensure even heating.
If you prefer a crispy top, reheat in a skillet. Place the leftover hash brown casserole in a non-stick skillet over medium heat. Cover and cook for about 5-7 minutes, stirring occasionally, until the casserole is heated through and the edges are slightly crispy.
For those with an air fryer, preheat it to 350°F (175°C). Place the casserole in an air fryer-safe dish or on a piece of aluminum foil. Heat for 5-7 minutes, checking halfway through to ensure it doesn’t overcook. This method gives a nice crispy texture to the top layer.
If you have a slow cooker, you can reheat the hash brown casserole on the warm setting. Place the leftovers back into the slow cooker, cover, and heat for 1-2 hours, stirring occasionally. This method is great for keeping the casserole warm for serving at gatherings.
Best Tools for This Recipe
Mixing bowl: A large container used to combine all the ingredients thoroughly.
Slow cooker: An appliance used to cook the casserole slowly and evenly over a period of time.
Spatula: A tool used to mix the ingredients together and to scrape the mixture into the slow cooker.
Measuring cups: Used to measure out the sour cream and shredded cheddar cheese accurately.
Measuring spoons: Used to measure the salt and black pepper precisely.
Cutting board: A surface used to dice the onions safely and efficiently.
Knife: A sharp tool used to dice the onions.
Can opener: Used to open the can of cream of chicken soup.
Cooking spray: Used to grease the slow cooker to prevent the casserole from sticking.
How to Save Time on Making This Recipe
Pre-chop onions: Dice the onions in advance and store them in the fridge to save prep time.
Use pre-shredded cheese: Opt for pre-shredded cheddar cheese to eliminate the need for grating.
Thaw hash browns overnight: Place the frozen hash browns in the fridge the night before to ensure they are ready to use.
Mix in the slow cooker: Combine all ingredients directly in the slow cooker to reduce dishwashing.
Line the slow cooker: Use a slow cooker liner for easy cleanup.

Slow Cooker Hash Brown Casserole Recipe
Ingredients
Main Ingredients
- 1 package frozen hash browns thawed
- 1 can cream of chicken soup
- 2 cups shredded cheddar cheese
- 1 cup sour cream
- 1 cup diced onions
- 1 teaspoon salt
- ½ teaspoon black pepper
Instructions
- In a large mixing bowl, combine all ingredients.
- Pour mixture into a greased slow cooker.
- Cook on low for 4 hours or until the casserole is set and bubbly.
- Serve hot and enjoy!
Nutritional Value
Keywords
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