Baked Zucchini Tomato Casserole

Name: Baked Zucchini Tomato Casserole
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Yield: 4 servings
Ingredients: 4 medium zucchinis, sliced; 4 medium tomatoes, sliced; 1 cup shredded mozzarella cheese; 1/2 cup grated Parmesan cheese; 2 cloves garlic, minced; 1 teaspoon dried oregano; Salt and pepper to taste; 1 tablespoon olive oil; Fresh basil for garnish (optional)

Highlighted under: Delightful Bakes

I absolutely love whipping up my Baked Zucchini Tomato Casserole, especially during the summer when zucchinis are at their peak. This dish combines fresh, flavorful vegetables with melted cheese for a satisfying meal. It’s easy to prepare and makes for delicious leftovers, which is a bonus. Whether I serve it as a main dish or a side, it always garners compliments at the table. This casserole is also a great way to sneak in some extra veggies for the family without them even noticing!

Created by

Rowena Clarke

Last updated on 2026-01-15T16:22:31.596Z

Creating the perfect Baked Zucchini Tomato Casserole has become one of my cherished culinary projects. After several attempts, I discovered that layering the vegetables not only enhances the visual appeal but also allows each ingredient to contribute its own unique flavor. I typically use a blend of mozzarella and Parmesan for a richer taste. A touch of oregano elevates the dish even further, making it absolutely irresistible!

I remember the first time I served it at a family gathering; everyone was surprised by how delicious such a simple dish could be. One key tip is to ensure that you slice the zucchini and tomatoes thinly so they cook evenly. I often pair it with a crisp salad, transforming it into a complete and nutritious meal that everyone loves.

        Why You'll Love This Recipe
        Fresh and vibrant flavors that celebrate summer vegetables
Cheesy goodness that makes every bite rich and satisfying
Easy to prepare for a quick weeknight meal or a family gathering

      

Choosing the Best Vegetables

Selecting fresh zucchinis and tomatoes is crucial for the flavor and texture of your casserole. Look for zucchinis that are firm and slender, as they tend to have fewer seeds and a sweeter taste. For tomatoes, pick ripe ones that yield slightly to pressure; heirloom varieties work wonderfully here due to their rich flavors, while Roma tomatoes provide a meatier texture that holds up well during baking.

I recommend using organic vegetables when available. They are often more flavorful and free from pesticide residues, enhancing the overall quality of your dish. Additionally, consider adding some sliced bell peppers or onions for added sweetness and depth, which complements the cheeses marvelously.

Layering Techniques

The layering process in this casserole is essential for achieving a harmonious blend of flavors. When you arrange the zucchini and tomatoes, overlap them slightly to ensure even cooking. It’s also helpful to alternate the direction of the slices in each layer; this not only looks appealing but allows each component to infuse its juices into the others while baking.

Moreover, distributing the garlic and herbs evenly across each layer ensures every bite bursts with flavor. If you're a fan of spiciness, consider adding red pepper flakes to the garlic mixture for a delightful kick!

Storage and Reheating Tips

This casserole is perfect for meal prep, as it stores beautifully. After it cools, cover it tightly with plastic wrap or transfer it to an airtight container. It can be kept in the refrigerator for up to five days. For longer storage, consider freezing portions in freezer-safe containers; they can last for up to three months. Just make sure to label them with the date for your convenience!

When reheating, do so gently in the oven at 350°F (175°C) for about 15-20 minutes. If using the microwave, heat in 30-second intervals to prevent sogginess. For an option that's as good as fresh, consider broiling for the last few minutes to regain that crispy, cheesy top!

Ingredients

Gather these fresh ingredients for your casserole:

Ingredients for Baked Zucchini Tomato Casserole

4 medium zucchinis, sliced
4 medium tomatoes, sliced
1 cup shredded mozzarella cheese
1/2 cup grated Parmesan cheese
2 cloves garlic, minced
1 teaspoon dried oregano
Salt and pepper to taste
1 tablespoon olive oil
Fresh basil for garnish (optional)

Make sure everything is fresh for the best results!

Instructions

Follow these simple steps to create your casserole:

Preheat the oven

Preheat your oven to 375°F (190°C).

Prepare the baking dish

Grease a baking dish with olive oil and layer half of the zucchini slices on the bottom.

Add the tomatoes

Place half of the sliced tomatoes over the zucchini layer.

Season and add garlic

Sprinkle half of the minced garlic, oregano, salt, and pepper over the tomatoes.

Layer the cheese

Spread half of the mozzarella and Parmesan cheeses over the veggies.

Repeat layers

Repeat the layers with the remaining zucchini, tomatoes, garlic, seasoning, and cheese.

Bake the casserole

Cover the dish with foil and bake for 25 minutes. Remove the foil and bake for another 5-10 minutes until the top is golden.

Garnish and serve

Let it cool for a few minutes before garnishing with fresh basil. Serve warm.

Enjoy this delicious dish as a light main course or a side!

Pro Tips

For added richness, consider drizzling a bit of balsamic reduction over the top before serving.

Final Touches

Once your casserole is baked and slightly cooled, fresh basil adds a burst of color and flavor. Not only does it elevate the dish's appearance, but the herbal notes also cut through the richness from the cheeses. I love tearing the leaves by hand just before serving; this releases their aromatic oils.

You might also consider a drizzle of balsamic reduction over the top for added complexity. The sweet-tart flavor complements the vegetables beautifully, enhancing the overall dish.

Ingredient Variations

If you're looking to switch things up, try incorporating seasonal vegetables like summer squash or eggplant alongside the zucchini and tomatoes. They’ll add different textures and flavors while harmonizing well with the dish.

For a dairy-free version, substitute the mozzarella and Parmesan with plant-based cheese alternatives. Nutritional yeast is an excellent addition as well, providing a cheesy flavor while being dairy-free and packed with nutrients.

Serving Suggestions

This casserole pairs wonderfully with a simple green salad dressed with a light vinaigrette. For an added protein boost, serve it alongside grilled chicken or fish for a complete meal. You can also enjoy it as a hearty side for barbecues or potlucks, showcasing its versatility.

Alternatively, serve it with crusty bread to soak up all the delicious juices. Whether enjoyed warm or at room temperature, it’s sure to be a favorite at any gathering!

Questions About Recipes

→ Can I make this casserole ahead of time?

Absolutely! You can prepare the casserole and store it in the fridge before baking. Just allow it to sit at room temperature for about 30 minutes before baking.

→ What other vegetables can I add?

Feel free to mix in other vegetables like bell peppers or spinach for extra flavor and nutrition!

→ Can I substitute the cheese?

Yes! If you're looking for a dairy-free option, vegan cheeses work great for this recipe.

→ How long will leftovers last?

Leftover casserole can be stored in the refrigerator for up to 3 days in an airtight container.