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Cheesy ham and potato casserole is the perfect simple weeknight dinner! A rich and creamy cheese sauce pairs beautifully with savory ham and buttery potatoes. With just a few easy steps and ingredients, you’ll have yourself a delicious and cozy meal.
What Makes This Recipe So Good
- It comes together in a few easy steps! Melt your cheese sauce, then layer everything in a dish, bake, and enjoy!
- It’s warm, cheesy, gooey, and delicious. This cheesy ham and potato casserole will be your new favorite comfort dish, I promise.
- Casseroles in general are great for a crowd, but this one specifically is excellent. Bring cheesy ham and potato casserole to your next potluck for a delicious dish everyone will love.
Key Ingredients
Ham – This recipe is a great way to use up leftover ham! If you’re not using leftover ham, purchase a fully cooked boneless ham from the store.
Shredded Cheddar Cheese – I prefer a sharp cheddar cheese for this cheesy ham and potato casserole. But if sharp isn’t your thing, go ahead and use a medium or mild cheddar. If you want to make things super easy on yourself, buy it pre-shredded!
Potatoes – I used and LOVE Yukon gold potatoes for their creamy and buttery flavor. You can use any type of potatoes you’d like, though. White potatoes would also taste great in this casserole!
Chef’s Tips
- You can prep this casserole ahead of time and bake it later on. Assemble the entire casserole in your baking dish, cover it with plastic wrap and refrigerate it. When you’re ready to bake it, remove the plastic wrap, cover it with foil and cook as directed.
- I sliced my potatoes about 1/8 to 1/4 inch thick. Don’t slice them more than 1/4 inch thick, otherwise they might not cook fully through. You can even dice your potatoes into 1/4 inch cubes if you’d like!
- When making the cheese sauce for this ham and potato casserole, let the milk and flour mixture thicken before removing from the heat. If the sauce doesn’t seem thick enough just yet, don’t worry, adding the cheese will help with that.
Cheesy Ham and Potato Casserole
Equipment
- large baking dish 9×11 or 9×13
- Small saucepan
- Aluminum Foil
Ingredients
- 2 tablespoons butter
- 1 medium yellow onion chopped
- 3 tablespoons all-purpose flour see Notes
- 2 pounds Yukon gold potatoes sliced, divided, see Notes
- 1 ½ cups diced ham fully cooked, divided
- 1 ½ cups milk see Notes
- 1 cup cheddar cheese shredded
Instructions
- Preheat oven to 400° Fahrenheit.
- Melt butter in a saucepan over medium heat. Add in chopped onion. Cook for 5 minutes or until soft. Add in all-purpose flour. Stir and cook for 2 minutes.
- Pour in milk. Stir and reduce heat. Simmer until sauce thickens, about 3-4 minutes. Remove from heat, then stir in cheese until melted.
- Place half of sliced potatoes in baking dish. Top potato layer with half of cubed ham. Repeat layers for remaining potatoes and ham. Pour cheese sauce over top layer. Top with additional 1/4 cup shredded cheddar cheese if desired.
- Cover baking dish with foil. Bake for 45-50 minutes, or until potatoes are fork tender. Remove foil and cook for another 20-25 minutes, until cheese is brown and bubbly.
- Potatoes: Yukon gold and yellow potatoes work best in this recipe, though any white potato will work.
- Milk: I used whole milk for an incredibly rich cheese sauce, but you can use 2% milk if you’d like.
- Make it Gluten Free: Use gluten-free flour instead of all-purpose flour in the cheese sauce.
Approximate Information for One Serving
Nutrition Disclaimers
Number of total servings shown is approximate. Actual number of servings will depend on your preferred portion sizes.
Nutritional values shown are general guidelines and reflect information for 1 serving using the ingredients listed, not including any optional ingredients. Actual macros may vary slightly depending on specific brands and types of ingredients used.
To determine the weight of one serving, prepare the recipe as instructed. Weigh the finished recipe, then divide the weight of the finished recipe (not including the weight of the container the food is in) by the desired number of servings. Result will be the weight of one serving.
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Not.sure how.many potato’s 2 lbs is as I don’t have a food scale. Could anyone please help? Like 4- ? .medium or.large . Thanks
Hi, Jan! 2 pounds of potatoes would be three medium potatoes or two large potatoes. I hope this helps! 😊
This was delicious and eaten in 2 days.
We’re so glad it was a hit! 😊
I loved it! My husband didn’t and I have no idea why. I didn’t have flour so I added one egg yolk and a can of cream of mushroom soup to the sauce. Delicious!
Oh no! Well, we’re glad you loved it!
Making this today and letting it set overnight for the Thanksgiving potluck glad I found this recipe I can already tell that it’s going to be good 👍
I hope it was a hit at your Thanksgiving potluck! 😊
It was great! My family loved it!
Thank you so much for your review, Eric!
Delicious! I used a Frick’s bone in ham steak and Kroger’s Gruyère and Swiss cheese mix in mine. Just used plain old brown potatoes. I didn’t use fresh onions because the husband doesn’t like them, onion powder instead!
Those sound like delicious additions! Glad you enjoyed it, Ginger! 😊
Very good Thank-you
Thank you, Sally!
Delicious! Used combo of red and russett potatoes. I put extra cheese on top!
A 3 thumbs up in this home ! Will definitely make again!!
So glad you enjoyed the casserole! Thanks for sharing, Candice 😊
Delicious but my cheese sauce got oily. Anything I can do?
It could’ve been the cheese you were using. Did you shred it yourself or was it preshredded? The prepackaged shredded/grated cheeses have anti-clumping agents added that unfortunately keep the cheese from melting like it should.
Turned out AWESOME! I used sliced red potatoes and added extra ham! I will be making it again! Thanks!
Sliced red potatoes and extra ham sound delicious! Thanks for sharing, Patricia! 😊