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A plate of baked zucchini, spinach, and feta casserole, golden brown and topped with fresh herbs.

Baked Zucchini, Spinach, and Feta Casserole

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Enjoy this Baked Zucchini, Spinach, and Feta Casserole—a hearty, cheesy dish packed with fresh veggies and Mediterranean flavors. Perfect for dinner or meal prep! 🍴🥗

  • Total Time: 55 minutes
  • Yield: 6 servings 1x

Ingredients

Scale
  • For the Casserole:
  • 2 medium zucchinis (sliced into thin rounds)
  • 4 cups fresh spinach (chopped)
  • 1 cup crumbled feta cheese
  • 1 cup shredded mozzarella cheese
  • 1 small onion (finely chopped)
  • 2 cloves garlic (minced)
  • 1 cup ricotta cheese
  • 1 large egg
  • 1 tsp dried oregano
  • ½ tsp red pepper flakes (optional)
  • Salt and pepper to taste
  • 2 tbsp olive oil
  • Optional: breadcrumbs or grated Parmesan for topping

Instructions

  1. Preparing the Vegetables: Preheat the oven to 375°F (190°C). Slice the zucchini into thin rounds and chop the spinach. Heat olive oil in a skillet over medium heat. Sauté onions until softened, then add garlic and spinach, cooking until wilted. Season with salt, pepper, and red pepper flakes if desired. Set aside.
  2. Assembling the Layers: In a mixing bowl, combine ricotta cheese, egg, oregano, salt, and pepper. Spread half the zucchini slices evenly across the bottom of a greased baking dish. Top with half the spinach mixture, followed by half the ricotta mixture. Sprinkle with half the feta and mozzarella cheeses. Repeat the layers, finishing with a final sprinkle of cheeses. Optionally, add breadcrumbs or Parmesan on top for a crunchy crust.
  3. Baking the Casserole: Bake in the preheated oven for 30–35 minutes or until the top is golden brown and bubbly. Let rest for 5–10 minutes before slicing and serving.
  4. Serving Suggestions: Serve warm as a standalone dish or alongside grilled chicken, roasted vegetables, or a fresh salad. Garnish with fresh herbs like parsley or dill for added flair.

Notes

  • For a gluten-free option, omit breadcrumbs or use gluten-free alternatives.
  • Vegan alternative: Use plant-based cheeses and substitute flax eggs for regular eggs.
  • Storage tip: Store leftovers in an airtight container in the fridge for up to 3 days. Reheat in the oven for best results.
  • Author: Serena Miller
  • Prep Time: 20 minutes
  • Cook Time: 35 minutes
  • Category: Main Dish
  • Method: Baking
  • Cuisine: Mediterranean-inspired

Nutrition

  • Serving Size: 1 serving (1/6th of the casserole)
  • Calories: 280 kcal
  • Sugar: 5 g
  • Sodium: 450 mg
  • Fat: 20 g
  • Saturated Fat: 8 g
  • Unsaturated Fat: 10 g
  • Trans Fat: 0 g
  • Carbohydrates: 12 g
  • Fiber: 3 g
  • Protein: 15 g
  • Cholesterol: 70 mg