This easy hashbrown casserole is a simple and delicious dish perfect for breakfast or dinner. Packed with cheesy goodness and soft potatoes in every flavorful bite, this is a comforting dish the whole family will enjoy!

Hashbrown casseroles are one of those dishes that is the best of both worlds. It's breakfast for dinner or a hearty low maintenance breakfast food depending on when you decide to serve it up. I often choose to make it for dinner with a side of steamed broccoli.
Making this simple hash brown casserole is as easy as you'd hope. Just a simple mix of ingredients, pouring it into the pan topping with cheese and butter before covering and baking to perfection.
It doesn't take long to throw together and it can be made in advance too, so use this quick hashbrowns casserole whenever you want an easy dinner planned on the menu.
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🥘 Ingredients
- Frozen Hashbrowns
- Sour Cream
- Condensed Mushroom Soup
- Milk
- Butter
- Bacon or Ham *optional
- Onion
- Shredded Cheese
For specific quantities, see the recipe card below.
🍽 Equipment Needed
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- 9x13 Baking dish
- Mixing bowl
- Measuring cups
🔪 Instructions
Check out how to make this easy hash brown casserole with these simple step-by-step instructions:
- Preheat the oven to 350 degrees F and grease the inside of a 9x13 baking dish, set it aside.
- In a large mixing bowl combine the hashbrowns, sour cream, onion, cream of mushroom, milk, half of the cheese, and your meat (if using) until well blended.
- Pour into your prepared baking dish and then top with the remaining shredded cheese.
- Slice the butter into 12 equal sized squares and arrange them onto the cheese in 4 rows of 3.
- Cover the pan with foil and bake in the oven for 60 minutes.
- Remove the foil and cook for an additional 10-15 minutes.
- Allow to cool in the pan for about 5-10 minutes. This will help the casserole to set before serving, making it easier to dish up.
- Serve warm.
📖 Variations
You can make this recipe with or without meat. I often use cooked bacon bits or small diced ham when I want to add in meat but even shredded chicken or meatless tastes great.
🧾 Substitutions
- Hashbrowns. You can use homemade hashbrowns instead of storebought if desired. This is roughly 4 cups of hashbrowns.
- Condensed soup. Cream of mushroom soup can be swapped out for cream of chicken.
- Milk. This easy hashbrowns bake can be made with half and half or even heavy cream instead of milk.
🍴 Make Ahead Tips
You can make this easy cheesy hashbrowns casserole up to 8 hours in advance. Perfect for prepping the night before!
To do this simply prepare the casserole as directed and cover well with foil. Place into the fridge and allow to rest overnight until morning.
In the morning set the pan on the counter as the oven preheats. Then bake as directed.
Note that because the hashbrowns were thawed before baking the casserole could be finished cooking in as little as 40 minutes, so checking on the casserole as it bakes could be a great idea to prevent it from overcooking.
💭 FAQs
If you don't want to make this easy hash brown casserole with sour cream you can use plain unflavored Grek yogurt in its place. This will give you the same great results but without actually using sour cream.
This casserole can be left stored in the fridge in an airtight or well covered container for up to 5 days. Just reheat again before serving.
Because this dish is so perfect for both breakfast and dinner you can serve alongside just about anything from pancakes and waffles to roasted chicken breasts and salad. I often serve ours at dinner time with a simple green veggie.
More great recipes to check out soon
- Pancakes in a Mug
- Slow Cooker Cabbage with Bacon
- Crispy Sour Cream and Onion Chicken
- Cornbread Bundt Cake
- Turkey Tamales
- 3 Ingredient Crock Pot Pork Chops
📖 Recipe
Easy Hashbrown Casserole
Ingredients
- 30-32 oz bag of frozen hashbrowns ($2.24)
- 1 cup 8 oz sour cream ($0.46)
- 1 onion diced 1 cup ($0.70)
- 1 10.5oz can condensed mushroom soup ($0.58)
- ¾ can of milk (1 cup) ($0.19)
- 1 8 oz bag shredded cheese of choice or 1.5cups ($1.39)
- 1 cup diced ham or 3 slices bacon, cooked ($1.08)
- 1 stick butter in patty slices (½ cup) ($0.75)
Instructions
- Preheat the oven to 350 degrees F and grease the inside of a 9x13 baking dish, set it aside.
- In a large mixing bowl combine the hashbrowns, sour cream, onion, cream of mushroom, milk, half of the cheese, and your meat (if using) until well blended.
- Pour into your prepared baking dish and then top with the remaining shredded cheese.
- Slice the butter into 12 equal sized squares and arrange them onto the cheese in 4 rows of 3.
- Cover the pan with foil and bake in the oven for 60 minutes.
- Remove the foil and cook for an additional 10-15 minutes.
- Allow to cool in the pan for about 5-10 minutes. This will help the casserole to set before serving, making it easier to dish up.
- Serve warm.
Notes
- You can make this dish with or without meat if desired.
- If you want, you can replace the store-bought hashbrowns with homemade frozen hashbrowns. You will need 4 cups worth.
- Cream of mushroom can be used in place of condensed chicken soup.
- Half and Half or heavy cream can be used in place of the milk.
- Sour cream can be replaced by plain unflavored Greek yogurt.
- Make-ahead Instructions. Prep as directed and cover in foil. Place into fridge for up to 8 hours. Allow to rest on the counter in the morning as the oven preheats and then bake as directed. Note that the hashbrowns may cook up to 15 minutes faster this way so keep an eye on them.
- Storage. Leftovers can be stored for up to 5 days in an airtight container in the fridge.
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