Name: Cheesy Zucchini and Rice Casserole with Parmesan and Italian Seasoning Recipe
Prep time: 15 min
Cook time: 1 h
Total time: 1 h 15 min
Cuisine: American
Ingredients: 2 large eggs, lightly beaten; ½ cup sour cream; ½ cup 2% plain Greek yogurt; 1 cup (4 oz.) shredded sharp cheddar cheese; 2 tablespoons grated Parmesan cheese; 1 teaspoon kosher salt; ½ teaspoon ground black pepper; ½ teaspoon garlic powder; ½ teaspoon Italian seasoning; 4 cups coarsely grated zucchini, lightly packed (about 1 ¼ pounds); 2 cups cooked white rice (brown rice can be used); ½ cup minced onion; ¼ cup panko bread crumbs; 2 tablespoons grated Parmesan cheese; ½ teaspoon Italian seasoning

Jump to Recipe· 4.3 from 10 reviews

If you’re craving a comforting, flavorful, and crowd-pleasing dish that feels like a warm hug on a plate, the Cheesy Zucchini and Rice Casserole with Parmesan and Italian Seasoning Recipe is exactly what you need. This delightful casserole combines tender zucchini, creamy cheeses, aromatic Italian seasoning, and fluffy rice to create a perfect harmony of textures and tastes that will have everyone asking for seconds. It’s an effortless yet impressive way to bring fresh veggies into a cheesy, satisfying meal that’s equally perfect for weeknight dinners or potluck gatherings.

Ingredients You’ll Need

The image shows multiple small clear glass bowls arranged on a white marbled surface. From top to bottom and left to right, there is a bowl of thick white cream, a smaller bowl with salt and pepper mixed, a bowl of shredded white coconut, another bowl of white cream next to a larger bowl filled with cooked rice. Below them is a bowl with shredded bright orange cheddar cheese. At the center bottom is a large bowl filled with shredded green zucchini. To the right are smaller bowls with black pepper, light brown granulated seasoning, and a bowl filled with a smooth bright orange liquid. At the very bottom are two small bowls containing fine white powder, likely grated cheese or breadcrumbs. photo taken with an iphone --ar 4:5 --v 7

This recipe shines because of its simple but essential ingredients, each playing a vital role in creating the dish’s rich flavor, creamy texture, and inviting appearance. Let’s break down what you’ll need to transform these staples into a heartwarming casserole.

2 large eggs: These bind the casserole together, ensuring a firm yet tender finish.

½ cup sour cream: Adds smooth creaminess and a subtle tang to balance the cheese.
½ cup 2% plain Greek yogurt: Boosts the dish’s moisture and gives it a light richness without heaviness.
1 cup shredded sharp cheddar cheese: The main cheesy superstar providing bold flavor and melted goodness.

2 tablespoons grated Parmesan cheese: Adds a nutty, salty punch that complements the zucchini wonderfully.
1 teaspoon kosher salt: Elevates all the flavors perfectly without overpowering.
½ teaspoon ground black pepper: Lends mild heat and a peppery kick.

½ teaspoon garlic powder: Brings a warm, savory fragrance that melds with the Italian notes.
½ teaspoon Italian seasoning: A fragrant herb mix that gives the casserole its classic Italian soul.
4 cups coarsely grated zucchini: The star veggie—adds moisture, color, and a gentle veggie crunch.

2 cups cooked white rice: Provides a hearty, fluffy base that soaks up all the creamy flavors.
½ cup minced onion: Introduces subtle sweetness and texture.
¼ cup panko bread crumbs: Creates a delightfully crisp golden topping.
2 tablespoons grated Parmesan cheese (for topping): Boosts the crust’s flavor with an extra sharp kick.

½ teaspoon Italian seasoning (for topping): Ties the topping to the casserole’s main flavor profile.

How to Make Cheesy Zucchini and Rice Casserole with Parmesan and Italian Seasoning Recipe

Step 1: Prepare Your Oven and Baking Dish

Start by preheating your oven to 350°F to get it nice and warm. Lightly spray an 8 by 11-inch baking dish with nonstick cooking spray to ensure the casserole won’t stick and will slide out easily when it’s done.

Step 2: Mix the Cheesy Base

In a large mixing bowl, lightly beat your eggs until smooth. Next, stir in the sour cream and 2% Greek yogurt—this duo will create a luxuriously creamy texture. Add the shredded sharp cheddar cheese and grated Parmesan, then season with kosher salt, ground black pepper, garlic powder, and Italian seasoning. Mix all these flavorful ingredients until well combined, forming the luscious base of your casserole.

Step 3: Add Veggies and Rice

Fold in the coarsely grated zucchini, making sure it’s lightly packed to keep the right moisture balance. Then add the cooked white rice and minced onions. Stir everything gently but thoroughly so every bite is bursting with cheesy, zesty goodness and the fresh brightness of the zucchini.

Step 4: Transfer and Top

Spread the mixture evenly into your prepared baking dish, smoothing the top. Now, create the irresistible topping by mixing panko bread crumbs, extra grated Parmesan cheese, and Italian seasoning in a small bowl. Sprinkle this golden, herb-kissed topping evenly over the zucchini and rice mixture.

Step 5: Bake to Perfection

Place your baking dish in the oven and bake for one hour. The casserole will become beautifully golden brown on top and heated through inside, with the panko topping delivering that perfect crunch you’re craving. Once baked, let it rest slightly before serving to set the flavors.

How to Serve Cheesy Zucchini and Rice Casserole with Parmesan and Italian Seasoning Recipe

A square piece of baked zucchini casserole sits centered on a white plate over a white marbled surface. The casserole shows three main layers: the bottom layer with soft, pale yellow zucchini pieces mixed with white cheese; the middle layer with thin slices of vibrant green zucchini; and the top layer covered in a golden-brown crispy crumb topping with sprinkle of herbs. The textures vary from creamy and soft at the bottom, to tender zucchini in the middle, and crunchy with a slightly browned crust on top. A silver fork rests behind the casserole piece, partially visible. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

Sprinkle freshly chopped fresh basil or parsley over the top just before serving to add a burst of color and fresh herbal brightness that complements the Italian seasoning perfectly. A light drizzle of extra virgin olive oil can elevate the richness even more.

Side Dishes

This casserole pairs beautifully with crisp green salads, roasted vegetables, or even a simple side of garlic bread for a full Italian-inspired meal experience. The creamy texture and herbs in the casserole also go hand in hand with light soups like tomato basil or a refreshing cucumber salad.

Creative Ways to Present

For a fun twist, bake individual portions in ramekins and serve them as personal casseroles for dinner parties or family meals. Alternatively, top with a fried egg or crispy prosciutto for added protein and a gourmet touch.

Make Ahead and Storage

Storing Leftovers

Store any leftovers in an airtight container and refrigerate for up to 3 days. The flavors meld beautifully after resting, making it a great make-ahead meal that tastes even better the next day.

Freezing

This casserole freezes well! Place cooled portions in freezer-safe containers or wrap tightly in foil and plastic wrap. Freeze for up to 2 months. When ready, thaw overnight in the fridge for best texture.

Reheating

Reheat leftovers in the oven at 350°F uncovered until warmed through and the topping regains some crispness, about 15-20 minutes. You can also reheat in the microwave for convenience, though the topping may lose some crunch.

FAQs

Can I use brown rice instead of white rice?

Absolutely! Brown rice adds a nuttier flavor and heartier texture which works wonderfully in the Cheesy Zucchini and Rice Casserole with Parmesan and Italian Seasoning Recipe. Just ensure your brown rice is fully cooked before mixing.

Do I need to squeeze the zucchini to remove excess moisture?

For this recipe, lightly packing the zucchini is sufficient because the moisture contributes to the casserole’s creamy texture. However, if your zucchini is very watery, gently pressing it can help prevent a soggy casserole.

Can I make this casserole dairy-free?

While the cheese and sour cream provide signature flavors, you can substitute vegan cheese and dairy-free yogurt to make a dairy-free version. Just keep in mind the texture and taste will be slightly different but still delicious.

What type of cheddar cheese works best?

Sharp cheddar cheese is recommended because it brings a bold cheesy flavor that balances beautifully with the mild zucchini and Parmesan. Avoid mild cheddar to maintain that tasty zing.

How do I make sure the top stays crispy?

Sprinkling panko bread crumbs mixed with Parmesan and Italian seasoning gives a perfect golden crust. To keep it crispy when reheating, use the oven or toaster oven rather than the microwave whenever possible.

Final Thoughts

The Cheesy Zucchini and Rice Casserole with Parmesan and Italian Seasoning Recipe is one of those gems that feels homemade and special every time you make it. Its combination of fresh veggies, creamy cheese, and savory herbs creates a comforting dish that’s sure to become a favorite in your family. I wholeheartedly encourage you to try this recipe soon—you’ll love how easy, satisfying, and full of flavor it is!

Cheesy Zucchini and Rice Casserole with Parmesan and Italian Seasoning Recipe

Ingredients You’ll Need

How to Make Cheesy Zucchini and Rice Casserole with Parmesan and Italian Seasoning Recipe