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Baked Cheesy Zucchini Stacks

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  • Prep time: 15 minutes

  • Cook time: 25 minutes

  • Total time: 40 minutes

  • Yield: 4 servings (approx. 2 stacks per serving)

  • Skill Level: Easy

  • Active Effort Level: Low to Moderate

  • Flavor Profile: Savory, garlicky, herbaceous, and intensely cheesy

  • Texture Profile: Tender-crisp roasted zucchini with a rich, velvety sauce and a crisp, golden-brown cheese crust

Ingredients

To create these delightful stacks, you will need a handful of fresh, high-quality ingredients that work in harmony to elevate the humble zucchini.

For the Zucchini Stacks:

  • 4 medium-sized fresh zucchinis, washed, ends trimmed, and sliced into uniform rounds approximately 1/2-inch thick

  • 2 tablespoons extra-virgin olive oil (for brushing and coating)

  • 1 teaspoon garlic powder

  • 1 teaspoon dried Italian seasoning (or a blend of dried oregano and basil)

  • 1/2 teaspoon kosher salt

  • 1/4 teaspoon freshly cracked black pepper

For the Sauce and Filling:

  • 1 cup high-quality marinara sauce or arrabbiata sauce (choose a low-sugar or homemade variety for a cleaner flavor profile)

  • 1.5 cups shredded low-moisture mozzarella cheese (divided)

  • 1/2 cup freshly grated Parmesan cheese (divided)

  • 1/4 cup finely chopped fresh basil leaves (plus extra whole leaves for garnish)

  • 1 large egg (lightly beaten, optional, to help bind the filling if you prefer a richer ricotta layer, though simple mozzarella works brilliantly on its own)

  • 1/2 cup whole-milk ricotta cheese (optional, for an extra creamy texture between the stacks)

Step-by-Step Instructions

Step 1: Prep and Preheat the Oven

Begin by preheating your oven to 400°F (200°C). Line a large, rimmed baking sheet with parchment paper or lightly coat it with non-stick cooking spray. Proper preheating ensures that the zucchini roasts rather than steams, giving you the ideal tender-crisp foundation for your stacks.

Step 2: Slice and Season the Zucchini

Wash your zucchinis thoroughly and pat them completely dry with paper towels. Slice them uniformly into rounds about 1/2-inch thick. Avoid cutting them too thin, or they will lose their structural integrity during baking.

Arrange the zucchini slices in a single layer on the prepared baking sheet. Using a pastry brush, lightly brush both sides of the rounds with extra-virgin olive oil. Season the slices evenly on both sides with the garlic powder, dried Italian seasoning, kosher salt, and freshly cracked black pepper.

Step 3: Initial Roast

Place the baking sheet into the preheated oven and roast the zucchini rounds for 10 to 12 minutes. This crucial step removes excess surface moisture from the zucchini, concentrating its natural sweetness and ensuring your final stacks won’t become watery. Once slightly softened and fragrant, remove them from the oven. Leave the oven on.

Step 4: Build the Stacks

Line a clean baking sheet or a large oven-safe cast-iron skillet with parchment paper. Lay down a foundation tier of the roasted zucchini rounds, spacing them out evenly (aim for about 6 to 8 base rounds depending on how large you want your individual stacks to be).

To build each stack:

  1. Spoon a small dollop (about one teaspoon) of marinara sauce onto each base zucchini round.

  2. Sprinkle a light layer of shredded mozzarella and a pinch of grated Parmesan cheese over the sauce.

  3. If using ricotta, add a tiny dollop now, followed by a pinch of fresh chopped basil.

  4. Place a second roasted zucchini round directly on top of the cheese layer, pressing down gently to secure it.

  5. Repeat the layering process once more (sauce, cheese, basil), topping each stack with a final crown of zucchini.

  6. Finish each stack with a generous final spoonful of marinara sauce and a heavy blanket of the remaining mozzarella and Parmesan cheese so it drapes down the sides.

Step 5: Bake Until Golden and Bubbly

Transfer the assembled stacks back into the 400°F (200°C) oven. Bake for 12 to 15 minutes, or until the cheese is completely melted, bubbling furiously at the edges, and turned a gorgeous golden-brown on top. If you prefer a deeply browned, crispy cheese crust, switch your oven to broil for the final 1 to 2 minutes—just watch them closely so they don’t burn!

Step 6: Rest and Garnish

Remove the baking sheet from the oven and allow the stacks to rest for 3 to 5 minutes. This resting period allows the melted cheese to set slightly, making them much easier to transfer to plates without tumbling apart. Garnish generously with fresh chiffonade basil leaves and an extra dusting of grated Parmesan cheese just before serving.

Chef’s Pro Tips for Success

  • Moisture Control is Key: Zucchini has a high water content. Do not skip the initial 10-minute roast, as it prevents your finished dish from pooling with water on the plate.

  • Choose Uniform Zucchinis: Try to select zucchinis that are roughly the same diameter throughout. This makes stacking much easier and ensures even baking times.

  • Customize Your Cheese: While mozzarella and parmesan are classic, you can mix in a little provolone or fontina for an even richer, gooier melt.

Nutritional Information

Note: Nutritional values are approximate estimates calculated based on standard ingredient measurements and may vary slightly depending on the specific brands of products used.

  • Calories: 245 kcal

  • Total Fat: 16g

    • Saturated Fat: 7g

  • Cholesterol: 35mg

  • Sodium: 580mg

  • Total Carbohydrates: 10g

    • Dietary Fiber: 3g

    • Sugars: 5g

  • Protein: 14g

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