Scalloped Potatoes and Ham: 1 Great Recipe

If I could bottle up the feeling of a midwestern Sunday dinner on a cold evening, it would smell exactly like this dish does coming out of the oven. There are certain recipes that just anchor a family, and for us, it’s this scalloped potatoes and ham casserole. This isn’t just some quick weeknight casserole, though it certainly can be! This is the real deal – rich, creamy, and built on tradition. My founder, Sarah Jane, learned this type of cooking in a small town kitchen where reliability mattered most. Trust me when I say, this recipe has been tested, tweaked, and perfected over decades to give you that deeply satisfying, melt-in-your-mouth result every single time you make it. I know you’re going to love bringing this classic comfort food to your own table. To learn more about where these foundational recipes come from, check out our story at Cookin’ Corner.

Why This Creamy Scalloped Potatoes and Ham Casserole is a Family Favorite

This dish is the hug you didn’t know you needed on a plate. It’s pure, unadulterated comfort, making it a wonderful choice for everything from a Sunday supper to your biggest holiday gatherings. I love using up leftover ham in this because it feels resourceful and adds that perfect savory bite. If you need more ideas for making weeknights easier, take a look at our easy dinner ideas. This recipe truly stands out as a perfect, rich potato side dish that steals the show.

• It delivers intense creaminess without being gloppy or heavy.
• It’s the ultimate classic comfort food casserole—nostalgia in a 9×13 dish!
• Perfect for using up that holiday ham leftovers you have sitting in the fridge.

The Secret to the Best Scalloped Potatoes Recipe Texture

Honestly, the texture is everything here. We aren’t aiming for watery potatoes sitting in thin milk; we want sturdy layers suspended in a rich, velvety sauce. The absolute key to nailing that incredible texture, and what you’ll see in every heirloom recipe, is using incredibly thin potato slices. If you slice them too thick, they won’t soften evenly in that lovely cheese sauce, and you’ll end up with hard bits that ruin the bite. I highly recommend using a mandoline slicer—it ensures uniform thickness, which means they all cook perfectly at the same rate. That consistency is what pushes this from good to truly special.

Gathering Ingredients for Perfect Scalloped Potatoes and Ham

Okay, let’s talk about what goes into this magnificent casserole because, just like Grandma taught me, using quality ingredients measured precisely is half the battle won. When you are making something this classic, you can’t just eyeball things; precision really brings out the best in this scalloped potatoes and ham dish.

I’ve detailed everything you need below, but pay close attention to the little instructions next to the measurements. Those little jobs—like peeling and slicing the potatoes super thin—are non-negotiable if you want that signature creamy texture we talked about! Remember how I mentioned dividing the cheddar? That’s important for getting the right finish on top, so make sure you have your two piles ready to go.

Here’s the simple list. Don’t be tempted to skip that nutmeg; it adds that unexpected warmth that complements the Gruyere cheese so beautifully. I find having everything prepped and measured out first makes the sauce-making process fly by!

• 3 lbs Russet potatoes, peeled and thinly sliced (Seriously, aim for 1/8 inch thick!)
• 1.5 cups diced cooked ham (Leftovers shine here!)
• 1 medium yellow onion, thinly sliced
• 4 tablespoons unsalted butter
• 4 tablespoons all-purpose flour
• 3 cups whole milk (Use whole milk, trust me, it makes the sauce rich!)
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1/4 teaspoon ground nutmeg
• 2 cups shredded sharp cheddar cheese, divided (Keep this separated into a 1.5 cup pile and a 1/2 cup pile!)
• 1 cup shredded Gruyere cheese

Step-by-Step Guide to Making Easy Ham and Potato Bake

Alright, let’s get this beautiful dish into the oven! We’re moving quickly now, but remember, this is home cooking, not a race against the clock. We want tenderness, not rushing! Get your oven warmed up to 375 degrees F, and have your 9×13 baking dish lightly greased—I always have to do that last minute, oops! Go ahead and toss your thinly sliced potatoes and that diced ham together in a big bowl. That mix is ready to receive the glorious sauce we’re about to build.

To see a visual walk-through of similar techniques, you can check out this great recipe for a classic bake at Classic Scalloped Potatoes with Ham. If you’re looking for more great meals that come together fast, I keep a whole section of quick and easy recipes ready for busy nights.

Creating the Rich, Cheesy Sauce for Scalloped Potatoes and Ham

This is where the magic truly happens. Grab a medium saucepan and gently melt your butter over medium heat. Once it’s shimmering, whisk in the flour. You need to cook this mixture, which we call a roux, for about a minute—it gets rid of that raw flour taste so don’t skip it! Now, add the milk slowly, whisking like you mean it so absolutely no lumps form. Keep stirring that sauce often; it needs to thicken enough that it coats the back of a spoon nicely, usually about five to seven minutes. Once it’s visibly thicker, pull it right off the heat! Then, stir in your seasonings, and immediately drop in that big portion of Cheddar and ALL of the Gruyere. Whisk until it’s gloriously smooth and cheesy—it shouldn’t be grainy at all.

Layering and Baking Your Scalloped Potatoes and Ham Casserole

Time to build the layers for our ultimate scalloped potatoes and ham casserole! Take about a cup of that amazing sauce and gently toss it with your potato and ham mixture so everything gets a nice base coat. Spread exactly half of that coated mix into your prepared dish. Next, scatter half of your sliced onions over the top, then pour half of the remaining sauce right over them. Repeat that whole process once more: remaining potato mixture, the rest of the onions, and the rest of the sauce. Now, sprinkle that reserved half-cup of sharp cheddar cheese evenly over the very top layer. Pop it into the 375°F oven for 60 to 75 minutes. You know it’s done when a fork slides right through a potato, and the top is looking golden and bubbly. If that top starts getting too dark before the potatoes are tender, just carefully drape some foil over it for the last 15 minutes of baking. And please, please let it rest for 10 minutes before you dig in; it sets those beautiful layers!

Tips for Perfect Scalloped Potatoes and Ham Every Time

Even though this recipe is straightforward, I have a few little tricks I stick to, just like my family always did, to make sure this dish is always a showstopper. If you follow these notes, you’ll be moving from a good cook to someone whose cheesy potato casserole with ham everyone begs for!

The most crucial tip is slicing those potatoes thin—about 1/8 inch thick. If you don’t have a mandoline slicer, well, you might want to invest in one for this recipe! That uniform thickness stops you from having crunchy potatoes next to mush underneath the cheese. Also, this is a great option when you’re planning ahead. You can absolutely assemble the entire make ahead scalloped potatoes dish, cover it tight, and tuck it into the fridge for up to 24 hours. Just remember to add maybe 10 to 15 extra minutes to your baking time if you cook it straight from the cold!

Oh, and one more thing about the ham: make sure it’s fully cooked before it hits the oven since we’re really just heating it through in that rich sauce. For more tips on pairing sides with rich dishes like this, check out my guide to herb-crusted prime rib roast, because these potatoes go great with roast beef too! If you want to see a great video illustrating how easy this is, take a peek over at Easy Scalloped Potatoes and Ham.

Variations: From Baked Potato Casserole to Slow Cooker Scalloped Potatoes

Now, as much as I love getting that beautiful golden crust from the oven, I know sometimes you just don’t have the real estate or the oven space, especially around the holidays! That’s why I want to share how wonderfully this recipe pulls double duty as amazing crock pot cheesy potatoes.

If you want to try the slow cooker scalloped potatoes method, you’ll want to layer everything exactly as written, but skip the step where you add that final sprinkle of cheddar on top. You’ll cook it on low for about 3 to 4 hours, or on high for about 2 hours, until everything is fork-tender. It comes out incredibly tender and moist—seriously delicious!

Also, don’t feel locked into cheddar and Gruyere! If you can’t find Gruyere, a good smoked Gouda melts beautifully and gives your scalloped potatoes and ham a real depth of flavor. Or maybe swap the cheddar for Monterey Jack if you prefer something milder. It’s all about making this your own ultimate comfort dish. For another great slow cooker dish to save oven space, you can check out my recipe for easy crockpot potato soup. And if you want to see someone else successfully tackling the slow-cooker version of this dish, check out this great recipe Slow Cooker Scalloped Potatoes and Ham!

Serving Suggestions for Your Scalloped Potatoes and Ham

Now that you’ve made this rich, heavy, glorious casserole, you might be wondering what on earth to put next to it that won’t just collapse under the weight of the cheese sauce! That’s a great question. Because this dish is so incredibly hearty, the key to serving it is adding things that are bright, fresh, or lightly seasoned to give your palate a break.

If you’re having this for a weekend dinner or holiday meal, you need something green. A crisp salad cuts right through that richness beautifully. I always pair this with something sharp and tangy. My absolute favorite pairing is a simple vinaigrette-dressed salad—nothing too heavy on the dressing! Or, if you want something warm, roasted broccoli or asparagus tossed lightly in salt and a squeeze of lemon juice is perfect. The slight char from roasting adds a great texture contrast to the soft potatoes.

For a real classic American dinner spread, you can’t go wrong with a simple roasted ham steak on the side if you need more protein, though the ham in the casserole is usually plenty! If you want to recreate that famous light, fluffy salad you get at that big chain restaurant, you should really try my recipe for the Copycat Olive Garden Salad Dressing alongside your hot potatoes. It really makes the whole meal feel complete and balanced!

Storage and Reheating: Keeping Your Scalloped Potatoes and Ham Fresh

We all hope for leftovers, right? This amazing scalloped potatoes and ham dish actually keeps really well for about three or four days tucked away in the fridge in an airtight container. The main thing to watch out for when reheating is drying out those creamy layers!

When you warm it up, don’t just blast it in the microwave dry. Add a tiny splash of milk—just a teaspoon or two per serving—before you microwave it or bring it back to temperature in the oven. Covering it loosely with foil while reheating keeps the moisture locked in, ensuring your leftovers are just as comforting as the first time. Enjoy them while they last!

Frequently Asked Questions About Scalloped Potatoes and Ham

I get so many wonderful questions after people try this recipe, and I love hearing how you’ve customized your own hearty family dinner ideas! There are always a few spots where folks get hung up, especially around preparation. I’ve gathered the most common ones here to make sure your next batch of creamy scalloped potatoes recipe comes out absolutely perfect. If you ever need a quick refresher on gravy basics—because a great sauce starts with a good roux—check out my guide on easy chicken gravy!

What is the difference between scalloped potatoes and au gratin potatoes with ham?

This is such a common point of confusion, and honestly, the lines get blurry these days! Traditionally speaking, scalloped potatoes are baked in a creamy sauce—like the one we made here—but they don’t necessarily have cheese mixed into that sauce itself. The classic French cousin, though, which is where you find the term gratin potatoes with ham, absolutely requires cheese melted or sprinkled right on top, or sometimes layered throughout the potato stacks. Since our recipe features a ton of cheese melted directly into that creamy sauce base, technically, it’s closer to a gratin structure, but we call it scalloped because it just tastes like home!

Can I use a different type of cheese in this creamy scalloped potatoes recipe?

Of course! While I adore the nutty complexity that Gruyere brings, and sharp cheddar gives it that perfect orange color, you are welcome to swap it out if you have something else fantastic melting at home. If you’re looking for alternatives, I highly recommend trying smoked Gouda—it makes a lovely, slightly smoky flavor profile that works wonderfully with leftover ham. Monterey Jack is a great, milder option if you aren’t a fan of super sharp cheese, but no matter what you choose, make sure it’s high quality and shredded by hand if you can! You can see another great cheesy take on this classic over at Scalloped Potatoes and Ham Casserole Recipe.

Why must the potatoes be sliced so thinly?

If you’ve got thick slices—say, a quarter-inch thick—you are going to run into trouble. They won’t absorb the sauce properly, and they just won’t get that buttery, tender texture we are aiming for in this rich potato side dish. They’ll end up being slightly hard in the middle, even after 70 minutes of baking! Aim for about 1/8 of an inch. If you don’t have a mandoline, a very sharp knife and a lot of patience will do the trick, but trust me, thin slicing is the secret sauce that makes this casserole sing!

Sharing Your Hearty Family Dinner Ideas

Now that you’ve pulled this magnificent, bubbly, cheesy scalloped potatoes and ham casserole out of the oven and enjoyed that 10-minute rest period, I really want to hear how it went at your house!

This recipe is truly one of my favorites to share because it’s such an easy way to turn leftovers into a showstopper. If you made this tonight and it became a new favorite hearty family dinner idea, please do me a big favor and leave a rating right down below. Seeing those stars gives me the energy boost to keep testing and sharing these old-fashioned classics!

Did you use smoked Gouda instead of Gruyere? Were you able to make it ahead of time? I love reading about everyone’s little kitchen triumphs and tweaks. If you snap a picture of your bubbly golden dish, please tag us on social media—I always love scrolling through and seeing the Cookin’ Corner family making memories around the dinner table!

If you ever have specific questions or want to share a substitution idea that worked perfectly for you, don’t hesitate to reach out through our contact page. Happy cooking, you all!

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