Baked Zucchini and Vegetable Casserole with Cheese

When you want a hearty, flavorful dish that is both wholesome and comforting, baked zucchini with vegetables and cheese is a perfect choice. This recipe layers tender zucchini, colorful vegetables, and a light, fluffy egg-flour base, topped with melty mozzarella for irresistible gooeyness. Finally, a creamy yogurt-mayo garlic sauce ties everything together. Itโ€™s the kind of dish you can serve for lunch, dinner, or even as a side at a festive table.

Full Recipe

Ingredients

  • 4 medium zucchini

  • 1 teaspoon salt (to draw out water)

  • 1 onion, finely chopped

  • 2 tablespoons olive oil

  • 1 carrot, grated or finely chopped

  • 2 bell peppers, diced

  • Black pepper to taste

  • 2 eggs

  • 1 teaspoon salt (for batter)

  • 1 glass (200 ml) milk

  • 5 tablespoons flour

  • 10 g (2 teaspoons) baking powder

  • 2 cloves garlic, minced (added at the end of vegetable cooking)

  • 120 g mozzarella cheese, grated

  • 1 sprig fresh parsley, chopped

  • Oil for greasing the baking tray

For the Sauce:

  • 2 tablespoons Greek yogurt

  • 2 tablespoons mayonnaise

  • 1 garlic clove, minced

  • Juice of ยฝ lemon

  • Green onion, finely sliced, for garnish

Cooking Directions

  1. Wash and grate the zucchini. Place in a bowl, sprinkle with salt, stir, and let sit for 10 minutes to release water.

  2. Meanwhile, heat olive oil in a pan. Add chopped onion and sautรฉ until transparent.

  3. Add grated carrot and fry for 3โ€“5 minutes.

  4. Stir in diced bell peppers, cover, and cook over medium heat for 5โ€“7 minutes.

  5. Squeeze excess water from the zucchini, then add to the pan with salt and black pepper. Cover and cook over medium heat for 15 minutes. Add minced garlic 5 minutes before the end of cooking. Remove from heat.

  6. In a bowl, whisk eggs with milk, salt, flour, and baking powder until smooth. Stir in chopped parsley.

  7. Grease a baking tray with oil. Spread the cooked vegetable mixture evenly in the tray and allow it to cool slightly.

  8. Pour the egg-flour batter over the vegetables and spread evenly.

  9. Sprinkle the grated mozzarella cheese on top.

  10. Bake in a preheated oven at 180ยฐC (350ยฐF) for 35โ€“40 minutes, until golden and set.

  11. While the casserole bakes, prepare the sauce: mix Greek yogurt, mayonnaise, garlic, and lemon juice until smooth.

  12. Remove the zucchini casserole from the oven, let rest for 5โ€“10 minutes, then serve warm with the garlic yogurt sauce and fresh green onions.

Nutrients (Approx. per serving, 6 servings)

  • Calories: ~280

  • Protein: 11 g

  • Carbohydrates: 20 g

  • Fat: 18 g

  • Fiber: 4 g

  • Calcium: 18% DV

  • Vitamin A: 35% DV

  • Vitamin C: 40% DV

Why Youโ€™ll Love This Recipe

This dish has everything you want in a satisfying home-cooked mealโ€”rich flavors, nutritious vegetables, and that cheesy golden top that makes casseroles irresistible. Itโ€™s flexible enough to serve as a main dish or as a side. Best of all, itโ€™s a crowd-pleaserโ€”kids love the cheese and soft texture, while adults enjoy the balanced flavors and creamy sauce.

The Origins and Inspiration Behind the Dish

Vegetable-based casseroles are staples in many Mediterranean and Eastern European cuisines. Zucchini in particular has been a favorite in Turkish, Greek, and Balkan kitchens, often baked with cheese or combined with eggs and flour to create satisfying pies. This recipe is inspired by those traditions but simplified for everyday cooking, blending Mediterranean vegetables with the universal appeal of baked cheesy casseroles.

Ingredient Spotlight

Zucchini is the hero of this dishโ€”itโ€™s low in calories but high in fiber, vitamins, and antioxidants. Carrots bring natural sweetness and a dose of beta-carotene, while peppers add color and vitamin C. Mozzarella ties everything together with its creamy melt. The yogurt and garlic sauce adds freshness and tang that cuts through the richness of the baked cheese. Every ingredient plays an important role in balancing flavor and nutrition.

Storage and Reheating Tips

This zucchini casserole can be stored in the refrigerator for up to 3 days. To reheat, place portions in a preheated oven at 170ยฐC for about 10 minutes to keep the top crispy. It can also be frozen for up to 2 monthsโ€”just wrap slices in foil and thaw overnight before reheating. Avoid reheating in the microwave, as it makes the zucchini watery and the cheese rubbery.

Common Variations to Try

You can easily adapt this dish based on your pantry. Try adding mushrooms for extra umami, spinach for more greens, or potatoes for a heartier version. Swap mozzarella with cheddar for a sharper flavor, or feta for a saltier, Mediterranean twist. If you prefer a lighter option, reduce the cheese and add more herbs like dill or basil.

Pairing Recommendations

This casserole pairs beautifully with fresh salads like Greek salad or tomato-cucumber salad. It also goes well with roasted meats such as chicken or lamb. For a lighter meal, enjoy it on its own with crusty bread and the yogurt garlic sauce. Pair with a glass of crisp white wine like Sauvignon Blanc, or for a non-alcoholic choice, sparkling water with lemon.


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Health Benefits

Zucchini is a powerhouse vegetable, offering hydration, fiber, and antioxidants that support digestion and heart health. Combined with carrots and peppers, this dish is rich in vitamins A and C, which boost immunity and skin health. The eggs and cheese provide protein and calcium, while the yogurt-garlic sauce adds probiotics for gut health. Itโ€™s indulgent yet balanced, making it a wholesome comfort food.

Conclusion

This baked zucchini and vegetable casserole with cheese is proof that healthy eating doesnโ€™t have to be boring. Itโ€™s colorful, flavorful, and deeply satisfying, with a creamy sauce that takes it to the next level. Whether you make it for family dinner, a potluck, or a holiday side dish, itโ€™s guaranteed to impress. Simple ingredients come together in a way that feels rustic yet elegant, making this recipe a true keeper.