When Dinner Calls for Scalloped Potato Ground Beef Casserole

There’s something about the scent of melted cheese mingling with garlic and onions that pulls you right into the kitchen. I remember this one evening, the kind where I was halfway through tidying up when the craving hit—something warm, filling, and just a little bit indulgent. I started layering those thin potato slices, trying not to think about how much time it would take, but already imagining that golden crust bubbling in the oven. The sound of the beef sizzling with herbs was a little distracting, and I had to remind myself to keep an eye on the sauce so it wouldn’t scorch. It’s funny how a simple dish like this can turn a regular night into something a bit special, even if the kitchen looked a little messier than planned.

Why You’ll Love It:

  • Layers of tender potatoes and seasoned beef make it hearty enough for hungry families or hungry-for-comfort nights.
  • The creamy cheese sauce melts into every bite, but it’s simple — and that’s kind of the point.
  • It’s a one-dish meal, which means fewer bowls and pans to clean up afterward.
  • While it takes a bit of time in the oven, the hands-on prep is pretty straightforward and lets you multitask.
  • It’s easy to adjust the seasoning or swap cheeses if you feel like experimenting, though I haven’t tested all those variations myself.

Sometimes, I worry it’s a bit too rich to eat often, but honestly, isn’t that what comfort food is all about? Just a little reminder that it’s okay to indulge now and then.

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Scalloped Potato Ground Beef Casserole

A hearty and comforting casserole featuring tender scalloped potatoes layered with seasoned ground beef and a creamy cheese sauce, baked to golden perfection.

  • Prep Time: 20 minutes
  • Cook Time: 1 hour 15 minutes
  • Total Time: 1 hour 35 minutes
  • Yield: 6

Ingredients

Scale

1 pound ground beef
1 medium onion, finely chopped
2 cloves garlic, minced
1 teaspoon salt
1/2 teaspoon black pepper
1/2 teaspoon dried thyme
3 tablespoons unsalted butter
3 tablespoons all-purpose flour
2 1/2 cups whole milk
1 cup shredded sharp cheddar cheese
1/2 cup shredded mozzarella cheese
4 large russet potatoes, peeled and thinly sliced (about 1/8 inch thick)
1/2 cup grated Parmesan cheese
2 tablespoons chopped fresh parsley

Instructions

Preheat the oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.
In a large skillet over medium heat, cook the ground beef, chopped onion, and minced garlic until the beef is browned and the onions are softened, about 7-8 minutes. Drain excess fat.
Season the beef mixture with salt, black pepper, and dried thyme. Stir to combine, then remove from heat and set aside.
In a medium saucepan, melt the butter over medium heat. Whisk in the flour and cook for 1-2 minutes until lightly golden, stirring constantly.
Gradually whisk in the milk, continuing to whisk until the sauce thickens and comes to a simmer, about 5-7 minutes.
Remove the sauce from heat and stir in the shredded cheddar and mozzarella cheeses until melted and smooth.
Arrange half of the sliced potatoes evenly in the bottom of the prepared baking dish.
Spread the cooked ground beef mixture evenly over the potatoes.
Pour half of the cheese sauce over the beef layer.
Layer the remaining sliced potatoes over the cheese sauce.
Pour the remaining cheese sauce evenly over the top layer of potatoes.
Sprinkle grated Parmesan cheese evenly over the top.
Cover the baking dish tightly with aluminum foil and bake for 45 minutes.
Remove the foil and bake uncovered for an additional 25-30 minutes, or until the potatoes are tender and the top is golden brown.
Remove from oven and let the casserole rest for 10 minutes before serving.
Garnish with chopped fresh parsley before serving.

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Kitchen Notes: I usually pop this casserole into a standard baking dish, nothing fancy, and it always turns out well. It’s great served with a crisp green salad to balance the richness, or even a simple side of steamed veggies. If you want a little twist, adding a sprinkle of smoked paprika to the beef or swapping half the cheddar for Gruyère can change things up—though I can’t promise it’s better, just different. Sometimes I toss in a handful of mushrooms with the beef for extra texture, but I’m still figuring out how much to add without making it too heavy.

FAQ:

Can I make this ahead of time? Yes, you can assemble it the night before and bake it the next day, but let it come to room temperature before baking so it cooks evenly.

Is it freezer-friendly? I wouldn’t recommend freezing because the potatoes can get watery after thawing.

What if I don’t have all the cheeses? Use whatever cheese you have on hand; it won’t be the same but still tasty.

Ready to bring some comfort to your table? Scroll down, save this recipe, and get cooking—this casserole is waiting to be your next cozy dinner companion.