Easy Cheesy Baked Zucchini Casserole

Easy cheesy baked zucchini casserole is a delicious side dish that is filled with cheesy flavors, a Panko breadcrumb topping, and plenty of tasty fresh zucchini.

The recipe only requires a handful of ingredients and is filled with great flavor.

Cheesy Zucchini Casserole

Zucchini casserole on a red plate.

This casserole recipe came from my friend, Beth, who always has the best recipes.

She is great at cooking for a lot of people, and when I am in need of something good, she is the one I call.

I took a few things about the recipe and changed them. So, it’s a versatile recipe. You can add cheddar instead of mozzarella, or forgo the breadcrumbs.

But, no matter how you make the casserole, it will turn out delicious, the whole family will love it, and it’s holiday-worthy, for sure.

Baked zucchini casserole on a red plate with Panko breadcrumbs.

Main Ingredients For Zucchini Casserole

  • Zucchini slices
  • Shredded mozzarella cheese
  • Brie cheese
  • Heavy cream
  • Minced garlic
  • Italian seasonings
  • Panko breadcrumbs
  • Grated parmesan cheese
  • Salt
  • Ground black pepper

Full printable recipe with measurements and instructions listed at the bottom of the post in the recipe card.

Tools For The Recipe

  • 8″ x 8″ casserole dish
  • Nonstick cooking spray
  • Sharp knife
  • Cutting board
  • Medium-sized saucepan
  • Oven
  • Aluminum foil

Watch How It’s Made

How Do I Make Baked Zucchini Casserole?

  1. Slice the zucchini and line it in a greased 8″ x 8″ baking dish.
  2. Sprinkle half of the shredded mozzarella cheese on top of the zucchini.
  3. In a saucepan on medium heat, add the heavy cream, minced garlic, brie, salt, pepper, and Italian seasonings and mix. Cook until melted.
  4. Pour the cream mixture over the zucchini.
  5. Top with the remainder of the mozzarella cheese, Panko breadcrumbs, and grated parmesan cheese and cover with tin foil.
  6. Bake for 20 minutes at 400-degrees with the tin foil. Remove the tin foil and bake 10 more minutes or until the breadcrumbs are golden brown.

Step-By-Step Instructions For Zucchini Casserole with Panko

Spray the bottom of a casserole dish with nonstick spray.

Sliced zucchini in a square baking dish.

Start by slicing the zucchini. Add the sliced zucchini to the baking dish.

For this recipe, I used an 8″ x 8″ casserole baking dish.

Sliced zucchini with shredded mozzarella cheese on top.

Sprinkle half of the mozzarella cheese over the zucchini and set aside.

Heavy cream in a saucepan with minced garlic.

Add the heavy cream and minced garlic to a medium saucepan on medium heat.

Cream, brie, Italian seasonings, salt, pepper, and minced garlic in a saucepan.

Next, add the brie cheese, Italian seasonings, salt, and pepper. Cook until the ingredients are melted.

I cut the top and side off of the brie and scraped into the saucepan so I didn’t have any rind in there.

Rind won’t hurt you, but I don’t like the flavor as much, so I didn’t add it in.

Sliced zucchini with cheese and heavy cream in a baking dish.

Pour the heavy cream mixture over the zucchini mixture.

Zucchini with cheese and panko breadcrumbs.

Top with the remainder of the mozzarella cheese, Panko breadcrumbs, and parmesan cheese.

Zucchini casserole covered with tin foil.

Cover the dish with tin foil and bake for 20 minutes at 400-degrees.

After 20 minutes, remove the tin foil and bake for 10 more minutes or until the top is golden brown.

The zucchini casserole recipe ends up being the perfect addition to your dinner table and features a crunchy topping over a cheesy bed of vegetables.

Baked zucchini casserole with cheese and breadcrumbs.

Optional Ingredients

The recipe can be made in a variety of different ways and with different ingredients. You can use the following or switch some of the other ingredients out and replace them.

  • Shredded cheddar cheese
  • Yellow squash
  • Gruyere cheese
  • Red pepper flakes
  • Garlic powder
  • Regular bread crumbs
  • Shredded chicken breasts (and make it a main dish).
  • You also have the option of making this gluten-free by using gluten-free breadcrumbs.

Other easy recipes

Baked zucchini casserole on a red plate.

Are zucchini and summer squash the same thing?

Summer squash covers a large variety of squash. Zucchini is actually part of that family, as well as yellow squash. There are a few differences such as a thicker and waxier skin on yellow squash.

How To Store The Zucchini Casserole

You can store the casserole in the refrigerator in an airtight container.

Cheesy zucchini casserole on a red plate.

Cheesy Zucchini Casserole Recipe

The casserole is made with fresh, delicious, and simple ingredients and is a favorite comfort food.

Head down to the grocery store and be sure to stock up on the ingredients for this easy and tasty recipe.

Baked zucchini casserole on a red plate.

Zucchini Casserole

Yield: 6 servings
Prep Time: 30 minutes
Cook Time: 30 minutes
Total Time: 1 hour

Zucchini casserole is a delicious recipe that is filled with cheesy flavors, a Panko breadcrumb topping, and plenty of tasty zucchini. The easy side dish doesn't take much time and turns out so flavorful.

Ingredients

  • 3 zucchinis
  • 1-1/2 cups shredded mozzarella cheese
  • 4 oz. brie cheese (without the rind)
  • 1/3 cup heavy cream
  • 1 teaspoon minced garlic
  • 1/2 teaspoon salt
  • 1/2 teaspoon pepper
  • 1/2 Tablespoon Italian seasonings
  • 1/2 cup Panko breadcrumbs
  • 1/4 cup parmesan cheese

Instructions

  1. Preheat oven to 400-degrees and grease an 8" x 8" baking dish.
  2. Slice the zucchinis. Place zucchinis in the baking dish.
  3. Top with half of the mozzarella cheese over the layers of zucchini.
  4. In a saucepan, add the heavy cream, garlic, salt, pepper, Italian seasonings, and brie cheese. Cook until melted.
  5. Pour the creamy cheese sauce over the zucchini.
  6. Top with the remainder of the mozzarella cheese, Panko breadcrumbs, and parmesan cheese.
  7. Cover with tin foil and bake for 20 minutes.
  8. Remove the tin foil and bake another 10 minutes or until the top is golden brown.
Nutrition Information:
Yield: 6 Serving Size: 1
Amount Per Serving: Calories: 267Total Fat: 18gSaturated Fat: 10gTrans Fat: 0gUnsaturated Fat: 6gCholesterol: 56mgSodium: 656mgCarbohydrates: 13gFiber: 2gSugar: 4gProtein: 15g

Nutrition is approximate.

Did you make this recipe?

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17 Comments

  1. Angie @ North Trail Kitchen says:

    Wow— this looks so good. It looks creamy but also crunchy on top. I’m marking it to make later.

    1. Julie Pollitt says:

      Hope you love it!

  2. Miz Helen says:

    This will be a delicious side dish, can’t wait to try it! Hope you had a great Christmas and thanks so much for sharing with us at Full Plate Thursday,516. We hope to see you back here again soon!
    Miz Helen

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  5. That looks so delicious! I love just about anything made with zucchini. Pinned.

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  9. Great recipe, great combo of flavors. If you want to use up leftover ham, add the same amount of chopped ham as zucchini, double the sauce & use a larger casserole dish. You probably will have to bake a bit longer (10-15 mins more) due to more volume.

    1. Julie Pollitt says:

      Thanks so much for the info! That will be helpful and sounds delish!

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  13. Jill Wilber says:

    I made this yesterday and it’s SOOOOO good! I did add a few things. I put a thin layer of tomato sauce on the bottom and then a layer of mushrooms. I didn’t have cream so I mixed whole milk with butter as a replacement. Everything else was the same. My husband LOVED it and said he will request it often.

    1. Julie Pollitt says:

      I love to hear that! Did you just use plain tomato sauce from a can? We will have to try that. Thanks!