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Golden brown cheesy zucchini casserole in white baking dish with melted cheddar cheese on top

Easy Cheesy Zucchini Casserole


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  • Author: Inez Rose
  • Total Time: 1 hour 15 minutes
  • Yield: 1 casserole (1½-quart dish) 1x

Description

A creamy, cheesy zucchini casserole made with parboiled zucchini, eggs, mayonnaise, and cheddar cheese. Baked until golden and bubbly, it’s the perfect comfort food side dish.


Ingredients

Scale

    • 3 cups zucchini, cut into pieces

    • 2 large eggs

    • 1/2 cup mayonnaise

    • 1 1/2 cups shredded cheddar cheese, divided

    • 1/2 teaspoon garlic powder

    • 1/4 teaspoon black pepper

    • Additional cheddar cheese for topping


Instructions

Step 1: Get That Zucchini Ready Chop your zucchini into chunks about the size of a dice. Don’t stress about perfect pieces – rustic works just fine here. Boil a big pot of water and dump them in for exactly 3 minutes. Set a timer because 4 minutes turns them to mush, and nobody’s got time for that. Drain them really well and let them sit while you get everything else ready.

Step 2: Heat Things Up Crank your oven to 350°F and grease that casserole dish like your life depends on it. I use butter, but cooking spray works too.

Step 3: Mix It All Together Crack those eggs into a bowl and whisk them with the mayo until it’s smooth. Toss in most of your cheese (save some for the top because we’re not animals), the garlic powder, and pepper. Mix it all up and then fold in your drained zucchini. Don’t be gentle – really get it all coated.

Step 4: Bake It Perfect Dump everything into your dish and spread it around. Sprinkle the rest of that cheese on top like you mean it. Cover with foil and stick it in the oven for 30 minutes. Then pull off that foil and let it go another 30 minutes until the top looks golden and gorgeous.

Notes

Look, I’ve messed this up enough times to know what works and what doesn’t. If your zucchini chunks are bigger, just boil them a minute longer – no big deal. Sometimes mine looks a little wobbly in the middle when I pull it out, but it firms up as it cools, so don’t panic. I learned the hard way that putting it on the top rack makes the cheese burn while the bottom stays raw. Middle rack is your friend here. Oh, and if you’re one of those people who cuts perfect little cubes, more power to you, but rough chops work just fine.

  • Prep Time: 15 minutes
  • Cook Time: 60 minutes
  • Category: Side Dish
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1/4 of casserole
  • Calories: 280
  • Sugar: 4g
  • Sodium: 420mg
  • Fat: 22g
  • Saturated Fat: 9g
  • Unsaturated Fat: 11g
  • Trans Fat: 0g
  • Carbohydrates: 8g
  • Fiber: 2g
  • Protein: 12g
  • Cholesterol: 125mg