The Best Cheesy Potato Casserole
When you think of comfort food, there’s nothing quite like a warm, cheesy potato casserole to make your heart sing. This dish is perfect for gatherings, potlucks, or just a cozy family dinner. With its creamy texture, loaded with cheese, and topped with a delightful crunch, this casserole is sure to become a staple in your home. The Best Cheesy Potato Casserole is easy to prepare and filled with flavor, making it a hit with everyone at the table.
Why It Deserves a Spot

The Best Cheesy Potato Casserole deserves a spot on your dinner table for numerous reasons. First and foremost, it’s incredibly versatile. You can serve it as a side dish alongside your favorite protein or enjoy it as a main dish. Secondly, it’s a crowd-pleaser, perfect for family gatherings, holiday feasts, or even casual weeknight dinners. Lastly, you can easily customize it to suit your taste preferences, making it as indulgent or as light as you desire.
What Goes Into The Best Cheesy Potato Casserole
To create this delicious casserole, you’ll need the following ingredients:
- 1/4 cup butter – This adds richness and flavor to the dish.
- 4 green onions, chopped – For a fresh, oniony crunch.
- 1 cup sour cream – Provides creaminess and tanginess.
- 10 oz can cream of chicken soup – A great base for the casserole.
- 2 cups sharp cheddar cheese, shredded – The star ingredient that gives it that cheesy goodness.
- 6 cups frozen shredded potatoes – I usually use a whole 26 oz-28 oz bag for convenience.
- 1/2 cup butter, melted – This will be mixed with the cornflakes for a crunchy topping.
- 3 cups corn flakes, lightly crushed – Adds the perfect crunchy topping. Do not skip this!
Must-Have Equipment
Before you start, make sure you have the following equipment ready:
- Large mixing bowl – For combining all your ingredients.
- 9×13 inch baking dish – Ideal for baking the casserole evenly.
- Spatula – To mix and spread the ingredients smoothly.
- Measuring cups and spoons – For accurate ingredient measurements.
- Oven mitts – Safety first when handling hot dishes!
The Best Cheesy Potato Casserole — Do This Next

Follow these simple steps to create The Best Cheesy Potato Casserole:
Step 1: Preheat the Oven
Preheat your oven to 350°F (175°C) to ensure it’s hot and ready for baking.
Step 2: Prepare the Casserole Base
In a large mixing bowl, combine the 1/4 cup of butter, chopped green onions, sour cream, and cream of chicken soup. Mix well until fully combined.
Step 3: Add the Potatoes and Cheese
Next, stir in the frozen shredded potatoes and 2 cups of shredded sharp cheddar cheese. Mix until the potatoes are well coated with the creamy mixture.
Step 4: Transfer to Baking Dish
Pour the potato mixture into your prepared 9×13 inch baking dish. Spread it evenly.
Step 5: Prepare the Topping
In a separate bowl, combine the melted butter and lightly crushed corn flakes. Mix until the corn flakes are evenly coated. Then, sprinkle this mixture over the potato casserole.
Step 6: Bake
Place the baking dish in the preheated oven and bake for 45-50 minutes, or until the top is golden brown and the casserole is bubbly.
Step 7: Serve and Enjoy
Once baked, remove the casserole from the oven and let it sit for a few minutes before serving. This allows the flavors to meld together beautifully. Dish it out and enjoy the creamy, cheesy goodness!
Spring–Summer–Fall–Winter Ideas

This casserole is perfect for any season. Here are some ideas to switch things up throughout the year:
- Spring: Add fresh vegetables like peas or asparagus for a seasonal twist.
- Summer: Pair it with grilled meats for a backyard barbecue.
- Fall: Incorporate pumpkin spice flavors by adding pumpkin puree and nutmeg.
- Winter: Serve it alongside hearty roast meats and warm bread.
Mistakes That Ruin The Best Cheesy Potato Casserole
Even the best recipes can go awry if you’re not careful. Here are some common pitfalls to avoid:
- Using fresh potatoes instead of frozen. Frozen shredded potatoes save time and ensure even cooking.
- Skipping the cornflake topping. It adds an essential crunchy texture that complements the creamy filling.
- Not allowing the casserole to rest before serving. This step helps everything set up nicely and makes for easier serving.
- Overbaking the casserole. Keep an eye on it to prevent the top from becoming too dark or burnt.
Freezer-Friendly Notes
The Best Cheesy Potato Casserole is an excellent candidate for freezer meals. If you want to prepare it ahead of time, follow these tips:
- Assemble the casserole but don’t bake it. Instead, cover it tightly with plastic wrap and aluminum foil.
- Label the casserole with the date and contents. It can be stored in the freezer for up to 3 months.
- When you’re ready to bake, remove it from the freezer and let it thaw overnight in the refrigerator. Bake as directed, adding a few extra minutes if needed.
Common Questions
Can I use a different type of cheese?
Absolutely! While sharp cheddar cheese is highly recommended for its bold flavor, feel free to experiment with other varieties like Monterey Jack, mozzarella, or even a blend for a unique twist.
Can I make this casserole ahead of time?
Yes, you can prep the casserole a day in advance! Just cover it tightly and refrigerate until you’re ready to bake. This allows the flavors to develop even more!
How can I make it spicier?
If you’re looking to add some heat, consider mixing in diced jalapeños or a splash of hot sauce into the creamy mixture. You can also top it with spicy cheese.
What should I serve with this casserole?
This dish pairs beautifully with a variety of mains. Try it alongside Cheesy Chicken Spinach Alfredo Bake, grilled meats, or even a fresh salad for a complete meal.
Next Up in Your Queue
- Garlic Butter Roasted Potatoes – Another delicious potato side dish to explore.
- Cheesy Chicken Spinach Alfredo Bake – Perfect for a hearty family dinner.
Let’s Eat
Now that you’ve mastered The Best Cheesy Potato Casserole, it’s time to gather your loved ones around the table and dive into this cheesy, comforting dish. Its creamy texture, rich flavors, and crunchy topping will soon have everyone reaching for seconds. Whether you enjoy it as a side or a main dish, this casserole is bound to become a favorite in your home. So put on that apron, grab your ingredients, and let’s bring some cheesy goodness to your kitchen!
Share on Pinterest


The Best Cheesy Potato Casserole
Ingredients
Equipment
Method
- Step 1: Preheat the Oven - Preheat your oven to 350°F (175°C) to ensure it’s hot and ready for baking.
- Step 2: Prepare the Casserole Base - In a large mixing bowl, combine the butter, chopped green onions, sour cream, and cream of chicken soup. Mix well until fully combined.
- Step 3: Add the Potatoes and Cheese - Next, stir in the frozen shredded potatoes and shredded sharp cheddar cheese. Mix until the potatoes are well coated with the creamy mixture.
- Step 4: Transfer to Baking Dish - Pour the potato mixture into your prepared baking dish. Spread it evenly.
- Step 5: Prepare the Topping - In a separate bowl, combine the melted butter and lightly crushed corn flakes. Mix until the corn flakes are evenly coated. Then, sprinkle this mixture over the potato casserole.
- Step 6: Bake - Place the baking dish in the preheated oven and bake for 45-50 minutes, or until the top is golden brown and the casserole is bubbly.
- Step 7: Serve and Enjoy - Once baked, remove the casserole from the oven and let it sit for a few minutes before serving. This allows the flavors to meld together beautifully.
Notes
- For added freshness, consider mixing in seasonal vegetables like peas or asparagus.
- This casserole can be made ahead of time; just cover it tightly and refrigerate until ready to bake.
- It freezes well; assemble without baking, cover tightly, and store for up to 3 months.
