Go Back
–+ servings
golden baked zucchini and tomato casserole on white kitchen counter

Zucchini and Tomato Casserole Recipe

A cozy and delicious zucchini and tomato casserole made with layers of fresh summer vegetables, melted cheese, and a crispy golden topping.
No ratings yet
Print Pin
Course: Dinner, Side Dish
Cuisine: American, Mediterranean
Prep Time: 20 minutes
Cook Time: 45 minutes
Resting Time: 10 minutes
Total Time: 1 hour 15 minutes
Servings: 6
Calories: 230kcal
Cost: $10

Equipment

  • 9x13 inch baking dish Ceramic or glass preferred
  • Large skillet For sautéing aromatics
  • Chef’s knife Or mandoline for even slicing
  • Box grater For fresh cheese
  • Paper towel roll For moisture control

Ingredients

  • 4 zucchini sliced into ¼-inch rounds
  • 4 ripe tomatoes sliced into ¼-inch rounds
  • 1 yellow onion thinly sliced
  • 3 garlic cloves minced
  • 1 cup mozzarella cheese shredded, low-moisture
  • 0.5 cup Parmesan cheese grated, plus more for topping
  • 2 tablespoon olive oil for sautéing
  • 2 tablespoon butter for greasing dish
  • 2 teaspoon Italian seasoning dried
  • 1 teaspoon salt divided
  • 0.5 teaspoon black pepper freshly ground
  • 0.25 cup fresh basil chopped
  • 2 tablespoon fresh thyme chopped
  • 0.5 cup panko breadcrumbs for golden topping
  • 2 tablespoon olive oil to mix with breadcrumbs
  • 0.25 cup Parmesan cheese for breadcrumb topping

Instructions

  • Preheat the oven to 375°F (190°C).
  • Slice zucchini and tomatoes into ¼-inch rounds. Slice onion thinly and mince garlic.
  • Salt the zucchini slices and lay on paper towels for 10–15 minutes to draw out moisture.
  • Heat olive oil in a skillet and sauté onion and garlic until fragrant and golden.
  • Grease the baking dish with butter and layer zucchini, tomato, sautéed aromatics, herbs, salt, and pepper.
  • Top with shredded mozzarella and Parmesan cheese.
  • Mix panko breadcrumbs with olive oil and Parmesan, then sprinkle over the top.
  • Cover the dish with foil and bake for 30 minutes.
  • Uncover and bake for another 15 minutes until golden brown.
  • Let rest for 10 minutes before serving.

Notes

Nutrition information is automatically calculated, so should only be used as an approximation.

Nutrition

Serving: 250g | Calories: 230kcal | Carbohydrates: 18g | Protein: 10g | Fat: 14g | Saturated Fat: 5g | Polyunsaturated Fat: 1.5g | Monounsaturated Fat: 6g | Cholesterol: 20mg | Sodium: 460mg | Potassium: 550mg | Fiber: 3g | Sugar: 6g | Vitamin A: 1100IU | Vitamin C: 22mg | Calcium: 210mg | Iron: 1.5mg