Recipe

Marry Me Potato Casserole

Creamy potatoes baked in a garlicky Parmesan cheese sauce with sun-dried tomatoes and a crisp, buttery topping.

By Matt Campbell

•

4.8

A golden, bubbly potato casserole in a white baking dish, topped with crisp buttery crumbs and scattered herbs, ready to serve.

This is the casserole I make when I want maximum cozy with minimum drama. Think tender potatoes wrapped in a creamy, garlicky cheese sauce, little pops of sun-dried tomato, and a top that bakes up crisp enough to make you hover near the oven like it owes you money.

It’s called Marry Me for a reason. It has that rich, slightly tangy, “wait, what did you put in this?” vibe. The secret is not actually a secret: Parmesan for depth, a little cream cheese for body, and sun-dried tomatoes for that bright, savory punch that keeps the whole thing from feeling heavy.

Russet potatoes, shredded cheddar, Parmesan, sour cream, cream cheese, garlic, and sun-dried tomatoes arranged together before cooking.

Why It Works

Big flavor, simple moves: A quick stovetop cheese sauce turns basic potatoes into something you would absolutely bring to a potluck to show off.
That “Marry Me” balance: Sun-dried tomatoes add tangy, savory brightness that cuts through the creaminess.
Texture on purpose: A buttery panko topping bakes into crisp edges and crunchy bites that make the creamy center even better.
Flexible for real life: Works with shredded rotisserie chicken, leftover ham, or just a big green salad on the side.

Pairs Well With

Storage Tips

Refrigerate: Cool completely, then cover the dish or transfer to airtight containers. Store for up to 4 days.

Reheat: For best texture, reheat in a 350°F oven until hot (about 15 to 25 minutes depending on portion size). For food safety, reheat leftovers to 165°F. Microwave works, but the topping will soften. If you microwave, hit the top with a quick broil in the oven or toaster oven if you want the crunch back.

Freeze: You can freeze it, but creamy sauces can change texture a bit. If you do, freeze without the panko topping when possible. Wrap tightly and freeze up to 2 months. Thaw overnight in the fridge, add topping, then bake at 350°F until hot, bubbling, and heated through.

Common Questions

Do I have to peel the potatoes?

Nope. I peel them when I want the extra silky casserole vibe. If you like a more rustic texture, scrub well and leave the skins on.

What potatoes work best?

Russets bake up tender and soak in sauce like they were born for it. Yukon Gold are creamier and slightly firmer. Either works. If you want a softer, more classic casserole texture, skip waxier varieties like red potatoes, since they tend to hold their shape more.

Can I make this ahead?

Yes. Assemble the casserole (hold the topping), cover, and refrigerate up to 24 hours. Add the topping right before baking. Bake until the sauce is bubbling and the potatoes are fork-tender. If it goes in cold, you may need 10 to 15 extra minutes.

How do I keep it from getting watery?

Three rules: 1) Use full-fat dairy, 2) simmer the sauce for a minute so it thickens, 3) don’t skip the rest time after baking. Let it sit 10 minutes so the sauce settles.

Can I add protein?

Absolutely. Stir in 2 cups cooked shredded chicken, crumbled bacon, or diced ham right before you pour everything into the baking dish.

Matt Campbell

I have always had a huge passion for the culinary arts, people, working as a team, and so on. I wanted to pursue my love for cooking initially at Virginia Commonwealth University with a culinary arts degree; however, I instead decided to apply myself and acquire more practical skills. My end goal is to eventually open my own restaurant or similar establishment.

Kitchen Essentials

9x13-inch baking dish
Large pot (for parboiling potatoes)
Colander
Medium saucepan
Whisk
Chef’s knife and cutting board
Measuring cups and spoons
Small bowl (for topping)

I’m a sucker for any recipe that takes a familiar comfort food and gives it one confident twist. The first time I tried a “Marry Me” style sauce, it was on chicken, and I remember thinking: this belongs on carbs immediately. Potatoes were the obvious next move. Now this casserole is my go-to when I want something that feels a little special without turning dinner into a full production. Also, I fully support tasting the sauce “for quality control” at least twice.

Marry Me Potato Casserole

(4.8 Reviews)

Prep Time 20 minutes

Cook Time 45 minutes

Total Time 1 hour 5 minutes

Servings 8

Ingredients

Potatoes

3 pounds russet potatoes, peeled and cut into 3/4-inch cubes
1 1/2 teaspoons kosher salt, divided

Marry Me sauce

3 tablespoons unsalted butter
3 cloves garlic, minced
2 tablespoons all-purpose flour
1 3/4 cups whole milk
1 cup heavy cream
4 ounces cream cheese, softened and cubed
1 cup sour cream
1 1/2 cups shredded mozzarella (shred from a block if you can)
1 cup shredded sharp cheddar (shred from a block if you can)
3/4 cup finely grated Parmesan
1/2 cup oil-packed sun-dried tomatoes, drained, patted dry, and chopped
1 teaspoon Italian seasoning
1/2 teaspoon black pepper
Pinch of crushed red pepper flakes (optional)

Topping

1 cup panko breadcrumbs
2 tablespoons unsalted butter, melted
2 tablespoons finely grated Parmesan
2 tablespoons chopped fresh parsley or basil (optional, for serving)

Instructions

Heat the oven. Preheat to 375°F. Butter a 9x13-inch baking dish.
Parboil the potatoes. Add the 3/4-inch potato cubes to a large pot and cover with cold water by about 1 inch. Add 1 teaspoon of the salt. Bring to a boil, then reduce to a lively simmer and cook 7 to 9 minutes, just until the outside is tender but the centers still have a little bite.
Drain and steam-dry. Drain potatoes well in a colander, then let them sit for 5 minutes to steam off excess water. This helps the casserole stay creamy instead of watery.
Start the sauce. In a medium saucepan over medium heat, melt 3 tablespoons butter. Add garlic and cook 30 seconds until fragrant. Whisk in flour and cook 1 minute to remove the raw flour taste.
Whisk in dairy. Slowly whisk in milk and cream. Simmer for 2 to 3 minutes, whisking, until slightly thickened.
Make it cheesy. Lower heat to medium-low and keep it there so the dairy stays smooth. Whisk in cream cheese until melted and silky. Stir in sour cream, mozzarella, cheddar, and 3/4 cup Parmesan until glossy and fully melted.
Add the Marry Me magic. Stir in sun-dried tomatoes, Italian seasoning, black pepper, remaining 1/2 teaspoon salt, and red pepper flakes if using. Taste and adjust salt or pepper.
Combine and assemble. Add potatoes to the baking dish and pour the sauce over. Fold gently to coat, then spread into an even layer. It will look generously saucy. That is the point, and it thickens as it bakes and rests.
Top it. In a small bowl, mix panko with melted butter and 2 tablespoons Parmesan. Sprinkle evenly over the casserole.
Bake. Bake uncovered for 30 to 35 minutes until bubbling around the edges and golden on top. If you want it extra crisp, move the rack to the upper third and broil for 1 to 2 minutes at the end, watching closely.
Rest and serve. Let sit 10 minutes before scooping. Finish with parsley or basil if you like. Serve warm and accept compliments gracefully.