Golden zucchini cornbread casserole slice with corn and cheese on white plate

Zucchini Casserole: A Cheesy Summer Staple You’ll Crave

My Garden Grew It, My Oven Perfected It

I’ll never forget the summer my backyard zucchini patch turned into a jungle. One minute, I was planting a few seeds; the next, I was practically swimming in squash. That’s when I learned the magic of a zucchini casserole—especially the kind that’s creamy, cheesy, and just the right amount of indulgent.

Whether you’re a gardener drowning in produce or someone who just snagged a few fresh zucchinis at the market, this dish is your golden ticket. It’s comforting, kid-approved, endlessly versatile, and—bonus—it’ll make you look like a kitchen genius without breaking a sweat.

Why This Zucchini Cornbread Casserole Is a Must-Make

Here’s what makes this dish an all-star in any kitchen:

  • Vegetable-packed comfort food that feels indulgent but sneaks in nutrients
  • Perfect for meal prep—it reheats like a dream
  • Great use of garden surplus (a true garden zucchini recipe)
  • Simple, flexible ingredients you probably already have
  • Customizable spice level—keep it mellow or turn up the heat

Whether you call it a cheesy zucchini bake, cornbread zucchini casserole, or a creamy zucchini casserole, this one earns its spot in the weekly rotation.

Cheesy zucchini and corn casserole served warm on a white plate

The Best Zucchini for Casseroles: Prep for a Perfect Texture

Use the Right Zucchini (or Summer Squash)

  • Opt for medium-sized, firm zucchini—avoid the giant, overgrown ones with too many seeds
  • Summer squash like yellow zucchini works just as well (great for a summer squash casserole twist)

Grate and Drain Like a Pro

  • Grate your zucchini for better blending into the batter (essential for a grated zucchini bake)
  • Salt lightly, let sit, then squeeze out excess moisture with a towel or cheesecloth
  • Moisture is your enemy—excess water = soggy casserole

Pro Tips to Avoid a Soggy Bake

  • Don’t skip the draining—it’s the difference between “yum” and “yuck”
  • Let it rest 10–15 minutes after baking so it sets properly
  • Want a golden crust? Sprinkle extra cheese on top and broil for 2 minutes at the end

Ingredient Swaps That Make It Yours

A good homemade zucchini casserole is flexible. Try these swaps:

Original IngredientSwap Option
ZucchiniYellow squash
CheddarColby, Monterey Jack, Pepper Jack
CornFresh, frozen, or canned
JalapeñoGreen chiles, cayenne, or omit
OnionRed onion, green onion, shallots
Corn muffin mixAny cornbread-style mix or breadcrumbs

Want a low-carb zucchini casserole? Skip the corn mix and load up on eggs and cheese. Need a little kick? Make it a jalapeño zucchini casserole by tossing in some heat.

Avoid These Common Mistakes Like the Plague

Even seasoned home cooks can mess this up—don’t be that person:

  • Failing to drain the zucchini (I’ve said it three times for a reason!)
  • Overmixing the batter—just fold until combined
  • Dumping all cheese at once—save some for that melty, golden topping
  • Skipping the rest time after baking—your casserole needs a breather

Serving Suggestions: Make It a Meal

This savory zucchini dish plays well with others:

  • Pair with BBQ meats, roasted chicken, pork loin, or grilled fish
  • Great sides: green salad, baked beans, cole slaw, steamed green beans
  • Want to keep it vegetarian? Pair your vegetarian zucchini casserole with crusty bread and herbed yogurt sauce
Freshly baked zucchini casserole in glass dish, cut into squares

Top with chopped parsley or basil for a fresh finish—and maybe a drizzle of hot honey if you’re into that kind of thing.

Store & Freeze Zucchini Casserole Like a Pro

Refrigeration

  • Store in an airtight container
  • Keeps up to 4 days

Freezing Tips

  • Freeze fully cooled casserole for up to 3 months
  • Wrap tightly or use freezer-safe containers

Reheating Tips

  • Oven: Bake at 350°F until heated through
  • Microwave: Cover with a damp paper towel to avoid drying out

FAQ: All About Zucchini Casserole

Can I make this ahead of time?

Absolutely. Prep and refrigerate unbaked; bake fresh when ready.

How do I make it more low-carb?

Skip the cornbread mix and increase eggs and cheese. Easy.

Is this freezer-friendly?

Yes—just follow the tips above.

What’s the best cheese for this?

Sharp cheddar brings the most flavor, but any melty cheese works.

Can I add protein?

Sure—cooked bacon, ground turkey, or sausage all play nice here.

More Zucchini Recipes You’ll Love

Got more zucchini to use up? Here are some of my personal favorites to keep the veggie train rolling:

Conclusion: Make Zucchini the Star of the Table

There you have it—your ultimate guide to turning surplus squash into a dish you’ll actually crave. Whether it’s a casserole with zucchini and corn, a zucchini and cheese casserole, or your own spicy twist, the possibilities are endless—and delicious.

Try it this week, share it with friends, and keep it bookmarked for the next time your garden explodes.

Want more comfort food classics and veggie-forward winners? Follow me on Pinterest

This is the zucchini casserole I want to eat.

Print

Zucchini Casserole: A Cheesy Summer Staple You’ll Crave

A creamy, cheesy zucchini casserole that turns summer surplus into the ultimate comfort food. Packed with flavor, endlessly customizable, and perfect for any night of the week.

  • Author: Emilio
  • Prep Time: 15 minutes
  • Cook Time: 40 minutes
  • Total Time: 55 minutes
  • Yield: 6 servings 1x
  • Category: Casserole
  • Method: Baked
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

Scale
  • 3 medium zucchinis, grated and drained
  • 1 small onion, diced
  • 1 cup corn (fresh, frozen, or canned)
  • 1 cup shredded sharp cheddar cheese
  • 1 jalapeño, finely chopped (optional)
  • 1 box cornbread or corn muffin mix
  • 2 large eggs
  • 1/2 cup milk
  • Salt, to taste
  • Black pepper, to taste

Instructions

  1. Preheat oven to 350°F (175°C) and grease a casserole dish.
  2. Grate the zucchini and place it in a colander. Sprinkle with salt and let sit for 10 minutes. Squeeze out as much moisture as possible using a clean towel or cheesecloth.
  3. In a large bowl, combine grated zucchini, onion, corn, jalapeño (if using), and half the cheese.
  4. Add in the cornbread mix, eggs, and milk. Stir gently until just combined—do not overmix.
  5. Pour the mixture into the prepared casserole dish and spread evenly.
  6. Top with remaining cheese.
  7. Bake for 35–40 minutes, or until golden and set in the center.
  8. Let the casserole rest for 10–15 minutes before serving.
  9. Optional: Broil for 2 minutes at the end for an extra golden cheesy crust.

Notes

Use medium-sized, firm zucchini for best results. Always drain grated zucchini thoroughly to avoid a soggy texture. This casserole reheats well and can be frozen for up to 3 months.

Nutrition

  • Serving Size: 1 slice
  • Calories: 290
  • Sugar: 4g
  • Sodium: 480mg
  • Fat: 16g
  • Saturated Fat: 8g
  • Unsaturated Fat: 7g
  • Trans Fat: 0g
  • Carbohydrates: 27g
  • Fiber: 2g
  • Protein: 9g
  • Cholesterol: 75mg

Keywords: zucchini casserole, cheesy bake, summer squash recipe, cornbread casserole, easy zucchini recipe

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