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Freshly baked zucchini spinach and feta casserole in a white dish with golden, bubbly cheese on top.

Baked Zucchini Spinach and Feta Casserole Recipe


  • Author: Ava
  • Total Time: 50 minutes
  • Yield: 6 servings 1x
  • Diet: Vegetarian

Description

This baked zucchini spinach and feta casserole is a hearty, vegetarian dish packed with fresh vegetables and creamy, tangy cheeses. Perfect for weeknights or meal prep.


Ingredients

Scale
  • 3 medium zucchinis, thinly sliced
  • 4 cups fresh spinach, roughly chopped
  • 1 cup crumbled feta cheese
  • 1 cup shredded mozzarella cheese
  • ½ cup grated Parmesan cheese
  • 3 large eggs
  • 1 cup milk (whole or 2%)
  • 1 small onion, finely chopped
  • 3 cloves garlic, minced
  • 2 tablespoons olive oil
  • 1 teaspoon dried oregano
  • Salt and pepper, to taste
  • Fresh parsley or basil, chopped (for garnish)

Instructions

  1. Preheat oven to 375°F (190°C) and grease a 9×9-inch baking dish.
  2. Heat olive oil in a skillet, sauté onions until translucent, then add garlic for 1 minute.
  3. Add spinach and cook until wilted. Remove from heat.
  4. In a bowl, whisk eggs and milk. Stir in feta, mozzarella, Parmesan, oregano, salt, and pepper.
  5. Add spinach mixture and zucchini slices. Mix gently.
  6. Pour mixture into baking dish. Bake 30–35 minutes until set and golden on top.
  7. Cool slightly. Garnish with parsley or basil and serve.

Notes

  • Salt zucchini slices and pat dry to avoid excess moisture.
  • Substitute almond milk or vegan cheese for dairy-free options.
  • Reheats well for meal prep.
  • Prep Time: 15 minutes
  • Cook Time: 35 minutes
  • Category: Main Course
  • Method: Baking
  • Cuisine: Mediterranean

Nutrition

  • Serving Size: 1 slice (approx. 200g)
  • Calories: 220
  • Sugar: 4g
  • Sodium: 530mg
  • Fat: 15g
  • Saturated Fat: 7g
  • Unsaturated Fat: 6g
  • Trans Fat: 0g
  • Carbohydrates: 10g
  • Fiber: 2g
  • Protein: 12g
  • Cholesterol: 110mg

Keywords: baked zucchini spinach and feta casserole, healthy zucchini casserole, vegetarian baked casserole, Mediterranean vegetable bake