Herb-Infused Cheesy Potato Casserole

🕒 Prep: 15 min
🔥 Cook: 1 hour
🍽 Serves: 8
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This Herb-Infused Cheesy Potato Casserole is your go-to comfort dish, perfect for cozy dinners or family gatherings. With the earthy aroma of fresh herbs and the irresistible gooeyness of melted cheese, it’s hard to resist this savory delight.

Ingredients for Herb-Infused Cheesy Potato Casserole

Russet potatoes are the star here, offering a sturdy texture that holds up well during baking. Sharp cheddar cheese adds a bold, tangy flavor, while mozzarella cheese provides that melty, stretchy goodness. Sour cream and heavy cream create a rich, creamy base, while unsalted butter adds a touch of richness. The garlic adds a warm, pungent note that complements the thyme and rosemary, infusing the dish with a woodsy, aromatic depth. Salt and black pepper round out the flavors, and a sprinkle of Parmesan cheese on top provides a savory, nutty finish. Lastly, fresh parsley is used as a vibrant garnish.

Tips & Tricks

  • Use a mandoline slicer for perfectly thin, even potato slices.
  • Fresh herbs are best, but dried can be substituted in a pinch — just reduce the amount by half.
  • For a crispy top, broil for 2-3 minutes after baking, but keep a close eye on it.

Serving Suggestions

This casserole pairs beautifully with a simple green salad or roasted vegetables for a balanced meal. For a heartier dinner, serve alongside baked chicken or a juicy steak. A glass of crisp white wine complements the cheesy richness wonderfully.

Frequently Asked Questions

Can I use a different type of potato?
Yes, Yukon Gold potatoes work well and add a buttery flavor.
How can I make this dish ahead of time?
Assemble the casserole, cover it, and refrigerate for up to 24 hours. Bake as directed when you're ready to serve.
What if I want a spicier kick?
Add some crushed red pepper flakes or a pinch of cayenne pepper to the cream mixture.

Herb-Infused Cheesy Potato Casserole Recipe Walkthrough

First off, preheat your oven to 375°F (190°C). Trust me, starting with a hot oven makes a big difference in getting that perfect bake. In a large mixing bowl, combine your sour cream, heavy cream, and melted butter. Toss in the minced garlic, thyme, rosemary, salt, and black pepper. Give it a good stir until everything is well mixed.

Now, add your thinly sliced potatoes, along with the shredded cheddar and mozzarella cheeses, into the bowl. Use your hands or a spatula to make sure the potatoes are evenly coated with that creamy, cheesy mixture. This is where the magic starts!

Transfer everything into a greased 9x13-inch baking dish, spreading it out evenly. Cover the dish with aluminum foil — not too tight, just enough to keep the steam in. Pop it into the oven for 45 minutes. This will allow the potatoes to soften and soak in all those wonderful flavors.

After 45 minutes, take off the foil and sprinkle Parmesan cheese on top. Put it back in the oven for another 15 minutes. You’re looking for a golden, bubbly finish on top. Let it cool for a good 10 minutes before garnishing with fresh parsley and serving. This wait time helps the flavors settle and makes serving easier.

Why You'll Love This Recipe

  • Packed with flavor from fresh herbs like thyme and rosemary.
  • A creamy, cheesy texture that’s both comforting and satisfying.
  • Perfect for prepping ahead and simple to make for any cook level.
  • Can be easily customized with your favorite herbs or cheeses.

Ingredients

3 lbs russet potatoes, peeled and thinly sliced
1 1/2 cups shredded sharp cheddar cheese
1 cup shredded mozzarella cheese
1 cup sour cream
1/2 cup heavy cream
1/4 cup unsalted butter, melted
3 cloves garlic, minced
1 tablespoon fresh thyme leaves
1 tablespoon fresh rosemary, chopped
1 teaspoon salt
1/2 teaspoon black pepper
1/4 cup grated Parmesan cheese
2 tablespoons chopped fresh parsley for garnish

Step-by-step Instructions

1. Preheat your oven to 375°F (190°C).
2. In a large mixing bowl, combine sour cream, heavy cream, melted butter, minced garlic, thyme leaves, rosemary, salt, and black pepper.
3. Add sliced potatoes, cheddar and mozzarella cheeses to the mixture, and toss until potatoes are well coated.
4. Transfer the mixture to a greased 9x13-inch baking dish, spreading evenly.
5. Cover the dish with aluminum foil and bake in the preheated oven for 45 minutes.
6. Remove the foil, sprinkle Parmesan cheese on top, and bake for an additional 15 minutes, or until the top is golden and bubbly.
7. Let it cool for 10 minutes before garnishing with parsley and serving.

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