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Freshly baked vegetable casserole with zucchini, golden-brown Parmesan crust, and herbs in a ceramic baking dish

Quick Baked Zucchini Parmesan Casserole Recipe


  • Total Time: 37 minutes
  • Yield: 6 servings 1x
  • Diet: Vegetarian

Description

A fast, cheesy, and comforting zucchini casserole that delivers savory flavor in just 35 minutes—perfect for busy weeknights or light, veggie-packed meals.


Ingredients

Scale
  • 4 cups shredded zucchini (approx. 3.5 medium zucchinis)
  • 1/2 teaspoon salt
  • 1/2 cup finely chopped or shredded onion
  • 1 tablespoon finely chopped garlic (about 3 cloves)
  • 2 large eggs
  • 1/2 cup grated Parmesan cheese (plus 2 tablespoons more for topping)
  • 1 cup shredded mozzarella cheese
  • 1/2 cup shredded cheddar cheese
  • 1/2 cup panko crumbs
  • 2 tablespoons melted butter with salt

Instructions

  1. Preheat oven to 375°F (190°C). Grease a 1 ½-quart baking dish and set aside.
  2. Place shredded zucchini in a colander, sprinkle with salt, and let sit for 10 minutes. Wring out moisture using a clean towel.
  3. In a large bowl, combine drained zucchini, onion, garlic, eggs, ½ cup Parmesan, mozzarella, and cheddar. Mix well and press into the prepared baking dish.
  4. Bake uncovered for 20 minutes.
  5. In a small bowl, mix panko, 2 tablespoons Parmesan, and melted butter.
  6. Sprinkle topping over the casserole and return to the oven for 5–10 minutes until golden brown.
  7. Let rest a few minutes before serving. Optional: garnish with fresh basil or parsley.

Notes

Make sure to wring out zucchini thoroughly to avoid soggy texture. To make it gluten-free, use gluten-free panko. For a Mediterranean twist, try adding feta or fresh herbs like basil or parsley.

  • Prep Time: 12 minutes
  • Cook Time: 25 minutes
  • Category: Casserole
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1/6th casserole
  • Calories: 210
  • Sugar: 3g
  • Sodium: 320mg
  • Fat: 13g
  • Saturated Fat: 6g
  • Unsaturated Fat: 6g
  • Trans Fat: 0g
  • Carbohydrates: 12g
  • Fiber: 2g
  • Protein: 11g
  • Cholesterol: 70mg

Keywords: zucchini, parmesan, casserole, quick, vegetable bake