This Cheesy Ham and Potato Casserole is a warm and comforting dish. It’s packed with tender potatoes, savory ham, and gooey cheese that get all melty and delicious!
I love how easy it is to throw together! Just mix everything, pop it in the oven, and relax. Perfect for a cozy dinner or when friends drop by. Who can resist cheesy goodness? 🧀
Key Ingredients & Substitutions
Potatoes: Using starchy potatoes like Russets gives a creamy texture. If you’re in a pinch, Yukon Golds are a good alternative. Avoid waxy varieties, as they won’t become as tender.
Ham: Leftover cooked ham is perfect here. If you don’t have any, turkey or chicken would work too. You can also use vegetarian sausage for a meat-free option.
Cheddar Cheese: I love using sharp cheddar for its strong flavor. If you want to mix it up, try Monterey Jack or even pepper jack for a little heat. Vegan cheese is a great substitute if you’re avoiding dairy.
Sour Cream: For a lighter option, Greek yogurt can replace sour cream without compromising the creaminess. You can also use cottage cheese for a different texture.
Onion and Garlic: Fresh is always best, but if you’re short on time, onion and garlic powder can stand in. Just remember to use them in smaller amounts to avoid overpowering the dish.
How Do I Make Creamy Cheese Sauce Without Lumps?
Creating a smooth cheese sauce is key for this casserole. Start by whisking the flour into the melted butter to create a roux. This helps to thicken the sauce. When adding milk, do it slowly while whisking constantly to prevent lumps.
- Once the mixture thickens, lower the heat and add the grated cheese gradually, stirring well until melted and smooth.
- If you do see lumps, simply use an immersion blender to smooth it out. Be cautious not to overheat once the cheese is added, as it can make the sauce grainy.
Following these tips will help you achieve a perfectly creamy sauce that makes this casserole a winner!
Cheesy Ham And Potato Casserole
Ingredients You’ll Need:
For the Casserole:
- 6 large potatoes, peeled and thinly sliced
- 2 cups cooked ham, diced
- 1 1/2 cups shredded cheddar cheese (divided)
- 1/2 cup grated Parmesan cheese
- 3 cups milk
- 3 tbsp butter
- 3 tbsp all-purpose flour
- 1 medium onion, finely chopped
- 2 cloves garlic, minced
- 1 tsp salt
- 1/2 tsp black pepper
- 1/2 tsp dried thyme (optional)
- 1/2 cup sour cream
- 2 green onions, chopped (for garnish)
How Much Time Will You Need?
This cheesy ham and potato casserole takes about 15 minutes to prepare, plus 1 hour of baking time. You’ll spend some time layering the ingredients and making the creamy cheese sauce, but it’s well worth the effort for a mouthwatering dish!
Step-by-Step Instructions:
1. Preheat the Oven:
Start by preheating your oven to 375°F (190°C). Grab a 9×13 inch baking dish and lightly grease it with cooking spray or a little butter. This will help prevent sticking and make cleanup easier!
2. Cook the Onion and Garlic:
In a large saucepan, melt the butter over medium heat. Once it’s bubbly, toss in the chopped onion and minced garlic. Cook these together for about 3-4 minutes until the onion is soft and translucent. The aroma will make your kitchen smell amazing!
3. Make the Roux:
Next, stir in the flour and cook it for about 1 minute. This is your roux and will help thicken the cheese sauce. Keep stirring so it doesn’t burn!
4. Create the Cheese Sauce:
Slowly add the milk to the roux while whisking constantly. This helps prevent lumps from forming. Continue to cook and stir until the mixture thickens up nicely and becomes creamy—this should take about 5 minutes.
5. Add the Cheeses:
Take your saucepan off the heat and stir in 1 cup of shredded cheddar cheese along with the Parmesan cheese. Mix until everything is melted and smooth. Then add in the sour cream, salt, pepper, and thyme (if you’re using it); stir until combined.
6. Layer the Ingredients:
In the prepared baking dish, layer half of the sliced potatoes on the bottom. Then, spread half of the diced ham evenly over the potatoes, followed by pouring half of the cheese sauce on top.
7. Repeat the Layers:
Now repeat with the remaining potatoes, ham, and cheese sauce. It’s just like building a delicious tower of flavor!
8. Bake the Casserole:
Sprinkle the remaining 1/2 cup of cheddar cheese evenly over the top of your casserole. Cover it with aluminum foil and bake in the preheated oven for 45 minutes. This helps ensure the potatoes get tender!
9. Brown the Top:
After 45 minutes, carefully remove the foil and continue baking uncovered for another 15-20 minutes. You’re looking for a golden brown and bubbly top, and the potatoes should be tender when pierced with a fork.
10. Serve and Enjoy:
Once it’s ready, take it out of the oven and let it sit for about 5-10 minutes before serving. This helps it set a bit. Garnish with chopped green onions for a pop of color, and enjoy your creamy, cheesy ham and potato casserole warm!
Can I Use Different Types of Potatoes?
Absolutely! While starchy potatoes like Russets work best for a creamy texture, Yukon Golds are also a great choice. Just avoid waxy potatoes as they won’t become as tender in the casserole.
How Do I Store Leftovers?
To store leftovers, place them in an airtight container and refrigerate for up to 3 days. You can reheat individual portions in the microwave or warm the entire casserole in the oven at 350°F (175°C) until heated through.
Can I Make This Casserole Ahead of Time?
Yes, you can prepare the casserole up to the baking stage and refrigerate it for up to a day. Just cover it with plastic wrap. When you’re ready to bake, let it sit at room temperature for about 30 minutes before placing it in the oven. You may need to add a few extra minutes to the baking time.
What If I Don’t Have Ham?
No problem! You can substitute the ham with cooked chicken, turkey, or even a plant-based sausage for a vegetarian option. Just ensure whatever you use is fully cooked before adding it to the layers.
