Easy Cheesy Zucchini Casserole Recipe

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Recipes.net Team Modified: October 21, 2021

A great way to use the zucchini from your garden. Easy to use and even the non-zucchini lovers will enjoy it.

Easy Cheesy Zucchini Casserole Recipe

How To Make Easy Cheesy Zucchini Casserole

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Prep: 5 mins
Cook: 30 mins
Total: 35 mins


  • 1 cup mayonnaise
  • 4 cups zucchini, diced
  • oz yellow onion, minced
  • 1 egg
  • 1 cup sharp cheddar cheese, shredded
  • ¼ cup parmesan cheese, powdered or grated
  • ¼ cup breadcrumbs
  • salt and pepper, to taste

To serve:

  • 2 tbsp marinara sauce, per serving


  1. Preheat your oven to 350 degrees F and grease a 10-inch baking casserole.

  2. Combine all ingredients in a bowl then mix until evenly incorporated.

  3. Season with salt and pepper and adjust accordingly.

  4. Place in a greased casserole dish then transfer it to the oven.

  5. Bake for 30 minutes, then cool down briefly before portioning and serving.

  6. Serve with marinara sauce.


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