Amazing 480-Calorie Scalloped Potatoes and Ham

If there’s a recipe that instantly wraps you up like a warm, cozy blanket, it has to be a good potato bake. And when you throw in savory chunks of ham? Well, that’s pure magic. I’m Maddie, and I’m obsessed with making sure our old family favorites translate perfectly into today’s busy kitchens. Forget the fussy versions you might have seen elsewhere; this scalloped potatoes and ham casserole is simple, unbelievably creamy, and it’s packed with cheese. It’s my go-to when I need a hearty main dish on a weeknight or when I’m trying to figure out exactly what to do with those holiday ham leftovers. Trust me, this tried-and-true translation of a classic is going to become one of your own family favorite dinners. If you also love easy-to-assemble main dishes, you should check out my steps for the chicken broccoli casserole next!

Why This Creamy Scalloped Potatoes and Ham Casserole Works (Family Favorite Dinners)

I’ve tweaked so many casserole recipes over the years, but this one just sings. It’s not just another side dish; it’s a complete, heartwarming meal. When I developed this, I knew I had to nail the texture—it needs to be rich and comforting, not watery! If you’re looking for dependable make ahead dinner ideas, this is it.

• It’s insanely cheesy. We use a two-cheese blend, which makes those bubbly golden tops so irresistible.
• The sauce is velvety smooth because we build it properly with a classic roux—no lumps, ever!
• It transforms leftovers into supper in under an hour and a half.

Perfect for Leftover Ham Ideas

That big ham centerpiece from the holidays doesn’t need to sit in the fridge getting sad waiting for sandwiches. This casserole takes those salty, smoky bits and makes them the star of the show! It’s the simplest way to turn leftover ham into a completely new classic comfort food that the whole family actually gets excited about eating.

The Secret to the Best Scalloped Potatoes and Ham Sauce

Most recipes skip steps that matter when it comes to creaminess. Not us! Our base starts with butter and flour—a proper roux—which is non-negotiable for creating that thick, luxurious coating for every potato slice. Then, we fold in sharp cheddar and creamy Gruyere. That combination is what elevates this from a simple potato bake into something truly special. You’ll get that perfect, rich, creamy potato casserole texture every single time.

Gathering Ingredients for Your Scalloped Potatoes and Ham

Okay, friend, let’s get our shopping list ready! Since this is a layered bake, precision matters, especially with the potatoes and the cheese amounts. Don’t worry, I’ve broken down exactly what you need so we minimize kitchen chaos. If you’re looking for another simple main dish inspiration while you’re compiling your list, pop over and look at how I make my beef and broccoli!

• 3 lbs Russet potatoes, peeled and thinly sliced (Remember, thin slices cook evenly!)
• 1 lb fully cooked ham, diced (Nice chunky pieces work best here.)
• 1/2 cup unsalted butter
• 1/2 cup all-purpose flour
• 4 cups whole milk
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1/4 teaspoon nutmeg (Don’t skip this, it adds depth!)
• 2 cups shredded sharp cheddar cheese, divided
• 1 cup shredded Gruyere cheese

Ingredient Notes and Substitutions for Cheesy Potato Bakes

I always get asked about the potatoes and cheese, so let’s talk substitutions right now. I absolutely insist on Russet potatoes here. They have the high starch content we need; that starch actually helps thicken our sauce naturally as it bakes, giving us a better final texture for these cheesy potato bakes.

Now, the cheese blend is important. The Gruyere brings a wonderful nutty flavor that balances the ham perfectly. But if Gruyere is hard to find or pricey, don’t sweat it! You can substitute it with an additional cup of sharp cheddar or even some Monterey Jack for great meltiness. The key is making sure you have that *divided* cheddar ready for the layering phase and the final topping!

Step-by-Step Instructions for Creamy Potato Casserole

Alright, let’s get this spectacular scalloped potatoes and ham casserole into the oven! First things first, we need to get everything warmed up and ready to mix. Preheat your oven right to 375 degrees Fahrenheit. While the oven is getting happy, grab your 9×13 baking dish and give it a quick grease. Now, you must soak your thinly sliced potatoes in cold water while you work on the sauce—this keeps them from turning brown and sad on you!

We are building flavor here, so pay attention to the sauce—it’s the heart of our creamy potato casserole.

Making the Roux and Cheese Sauce for Scalloped Potatoes and Ham

Head to the stovetop medium heat. Melt that butter and then immediately whisk in the flour. You’re cooking that floury mixture for just one minute; that’s your roux, and it cooks out that raw flour taste. Now, slowly, slowly, whisk in that whole milk until everything is smooth again. Keep stirring often until that sauce is thick enough to coat the back of a spoon—usually about five to seven minutes. Take it off the heat! This is crucial: stir in your salt, pepper, and nutmeg. Then add 1 1/2 cups of the cheddar and *all* of the Gruyere. Stir until it’s perfectly smooth and gooey before we do anything else. If you want more simple comfort food recipes, check out my creamy garlic tomato pasta!

Assembling and Baking Your Scalloped Potatoes and Ham Casserole

Time to layer! Spread one-third of your drained potatoes into the dish. Sprinkle half of your diced ham right on top, then pour over one-third of that beautiful cheese sauce. You repeat this whole sequence: potatoes, remaining ham, and more sauce. Finish it with the last potato layer and pour any remaining sauce right over the top to seal it in.

Cover that dish tightly with aluminum foil—this traps the steam so the potatoes cook through tenderly. Pop it into the preheated oven for 45 minutes. After that, take off the foil! Sprinkle that final half-cup of cheddar cheese on top, and bake it uncovered for another 15 to 20 minutes until it’s bubbly brown. Don’t forget this last step: let the casserole rest on the counter for 10 minutes before slicing. That short rest lets everything settle so your slices hold their shape!

Tips for Success with Your Scalloped Potatoes and Ham

Even though this is an easy casserole dinner idea, a few little tricks make the difference between good and absolutely incredible. The biggest thing? Those potato slices! You really need them thin and uniform, about 1/8th of an inch thick. If you have a mandoline, use it—it’s worth the effort for even cooking. If you don’t, just take your time with a sharp knife.

When you’re making that amazing cheese sauce, remember what I said about thickening: Dip a spoon in it and run your finger across the back. If the line stays clean without the sauce immediately running back together, you’re golden. That’s how you know the sauce will cling beautifully to every piece of potato and ham!

Also, make sure your sauce cools slightly before adding the cheese. Adding cheese to violently boiling dairy can sometimes make it seize up on you. We want smooth, not grainy! For another simple, satisfying side dish, you absolutely have to try my garlic parmesan mashed potatoes recipe sometime too.

Make Ahead Dinner and Storage for Scalloped Potatoes and Ham

This is why I love making something like this cheesy potato bake for busy times—it’s one of the best make ahead dinner solutions out there! Seriously, juggling weeknights is tough, so if we can save ourselves thirty minutes of mixing the night before, I’m all for it.

You can assemble this entire scalloped potatoes and ham casserole, cover it tightly, and tuck it into the refrigerator for up to 24 hours before you plan to bake it. Just make sure when you pull it out, you give yourself a little extra time! Since it’s going into the oven cold, you need to add about 10 to 15 extra minutes to that initial covered baking time. That way, you ensure the potatoes get perfectly tender before you uncover it for the golden-brown finish.

Now, what if you made way too much? Or you want to tuck one away for a really hectic future evening? Great news! This dish freezes really well *after* it’s baked. Once it’s cooled down from the oven, you can slice it, store individual portions in freezer-safe containers, and freeze them solid. When the craving hits later, just thaw it overnight in the fridge and reheat it gently at 350 degrees Fahrenheit until it’s steaming hot all the way through. It’s like getting a second wave of comfort food success! If you need another amazing one-pot comfort recipe for those super busy nights, you have to try my bacon cheeseburger soup recipe!

Serving Suggestions for This Hearty Baked Potatoes Dish

Since this scalloped potatoes and ham casserole is so incredibly rich, creamy, and satisfying—it’s a meal all by itself, truly—you don’t want to weigh down the plate too much! When I serve this big, beautiful bake, I always aim for something bright and green to cut through that gorgeous cheese sauce. It keeps the whole meal feeling balanced, which is important when you’re digging into classic comfort food recipes.

My absolute favorite partner for this dish is a super simple, crisp side salad. Just mixed greens, maybe a few cucumber slices, and a light vinaigrette made with lemon juice. It’s that easy acidity that offers the perfect counterpoint to all that luscious dairy fat. It really wakes up your palate!

If you’re leaning toward a cooked vegetable, you can’t go wrong with lightly steamed green beans. Don’t overcook them; they should still have a nice little snap! A quick steam, a little salt and pepper, maybe a tiny pat of butter, and they are done. They feel traditional while still keeping the entire meal feeling fresh enough for a weeknight serving. If you happen to have a little leftover broth from a previous meal, you might even enjoy a small bowl of my incredibly easy chicken noodle soup recipe alongside it on a chilly evening!

Frequently Asked Questions About Scalloped Potatoes and Ham

I always get questions when I post this recipe because everyone wants their creamy potato casserole to turn out perfectly. Here are the biggest things people wonder about when making this classic dish!

Can I use different types of potatoes in my scalloped potatoes and ham?

That’s a great question! I really push for Russets because their high starch content dissolves slightly into the sauce, helping it thicken up beautifully and giving you that signature velvety texture we want in a comfort food recipe. If you use Yukon Golds, they are a bit waxier, so they hold their shape better, which is fine! They won’t thicken the sauce quite as much, so you might notice your sauce is a little runnier. They taste amazing, but expect a slightly different textural result than the classic.

How do I make this recipe au gratin potatoes ham style?

Ooh, I love that upgrade! The pure difference between traditional scalloped potatoes and what people call au gratin potatoes ham recipes is usually twofold: the cheese and the topping. In this recipe, we use primarily Gruyere and Cheddar mixed *into* the sauce. To make it truly au gratin, just before you bake it uncovered for the last 15 or 20 minutes, sprinkle a small handful of Panko breadcrumbs or crushed crackers right over that top layer of melted cheese. That little bit of crunch gives you the perfect textural contrast!

Also, if you are looking for another crowd-pleaser, my recipe for the Jiffy corn casserole is super easy and always a hit at potlucks!

Can I cook this in a slow cooker? Honestly, I haven’t tested this exact recipe that way yet! Slow cookers work great for some things, but the high amount of dairy in the sauce can sometimes run the risk of splitting or scorching on the bottom elements, even on low. Since this is already a fantastic weeknight casserole meal that bakes in under an hour and a half covered, I usually stick to the oven for that perfect, even bake.

Nutritional Estimate for This Comfort Food Recipe

Okay, let’s talk real talk about the nutrition in this cheesy indulgence! Because this is a rich, delicious casserole packed with potatoes, ham, and serious amounts of dairy, it definitely tastes like a treat—and the numbers reflect that satisfying richness. I always want to be transparent with you all about what we are eating, so these numbers are my best estimate based on the ingredients list above (using the full amounts).

Remember, these are just estimates for one hefty serving slice, and they can change *a lot* depending on the fat content in your milk or whether you used lean ham or a fattier cut. But this gives you a great baseline for planning! If you’re wrapping up a big meal and want something warm and filling, this dish delivers. For another great, hearty meal that warms you right up, check out my creamy taco soup recipe!

Here is the breakdown for one serving:

• Serving Size: 1 serving
• Calories: 480
• Fat: 28g (That’s where the flavor is hiding!)
• Saturated Fat: 17g
• Carbohydrates: 38g
• Protein: 22g
• Sugar: 7g
• Sodium: 850mg (Ham adds a good chunk of this!)
• Fiber: 4g

Share Your Experience Making This Classic Comfort Food

Now that you have this incredible, hearty, cheesy potato bake masterpiece in your repertoire, I genuinely want to hear all about it! There is nothing better than knowing one of my tried-and-true family favorite dinners has landed on your table and brought a little bit of that cozy comfort feeling home.

Did you use leftover ham from Easter? Did you try swapping out the Gruyere? Let me know! Please leave a star rating right here on the recipe card—that tells me exactly how successful my translation of this classic dish was for you. And if you snapped a picture of that golden, bubbly top of your scalloped potatoes and ham casserole, tag me on social media! I absolutely love seeing these dishes come to life in real kitchens.

Sharing these recipes is how we keep the soul of American home cooking alive. Keep cooking with love, and maybe give the classic shepherds pie recipe a try next time you need a hug in a bowl!

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