Got a pile of zucchini and no idea what to do with it? This cheesy zucchini cornbread casserole is the answer. It’s soft and fluffy inside, golden on top, and covered in melty cheddar that gets a little crispy around the edges.
I love how easy it is. Just stir everything together, pour it in a dish, and let the oven do the rest. It goes with everything: backyard BBQs, cozy weeknight dinners, even the holiday table.
Bonus: it’s a sneaky way to get everyone eating their veggies, and nobody will even notice!
Why You’ll Love This Recipe
There’s so much to love about this casserole, but how easy it is might be my favorite part. Everything gets stirred together in one big bowl, spread into a dish, and baked. That’s it.
It’s also the best of both worlds. You get the soft, slightly sweet comfort of cornbread with tender zucchini folded all the way through, plus a golden, cheesy top that everyone fights over.
And it goes with just about everything. Serve it next to grilled chicken, a bowl of chili, or a holiday ham, and it always fits right in.
Let’s bake!
Ingredients You’ll Need
This casserole keeps things wonderfully simple, and each ingredient has an important job.
- Zucchini – Adds moisture and a subtle sweetness to the casserole. A great way to use up extra zucchini!
- Onion – Brings a mild savory flavor that complements the cornbread.
- Corn Muffin Mix – The key to the perfect texture! This makes the casserole soft, slightly sweet, and full of cornbread flavor.
- Eggs – Helps bind everything together and keeps the casserole light and fluffy.
- Salt & Black Pepper – Simple seasonings that enhance all the flavors in the dish.
- Cheddar Cheese – Melts beautifully into the casserole, giving it a rich, cheesy goodness. Half goes in the mix, and the rest creates a golden, bubbly top.
Step-by-Step Instructions
First, get the oven ready. Preheat your oven to 350°F (175°C). Lightly grease a 2-quart baking dish with cooking spray.
Next, mix everything together. In a large bowl, combine the shredded zucchini, chopped onion, corn muffin mix, beaten eggs, salt, and black pepper. Stir until well mixed, then fold in half (4 ounces) of the shredded Cheddar cheese.
Now assemble the casserole. Spread the mixture evenly into the prepared baking dish. Sprinkle the remaining 4 ounces of shredded Cheddar cheese on top.
Then bake. Bake for about 60 minutes, or until the top is lightly browned and a toothpick inserted into the center comes out clean.
Finally, let it rest. Let the casserole cool for a few minutes before serving. This helps it set so it slices neatly.
That’s it! Slice it up and serve it warm.
Expert Tips
Squeeze out the zucchini. Zucchini holds a lot of water. After shredding, squeeze it in a clean kitchen towel so the casserole bakes up fluffy instead of soggy.
Chop the onion small. Smaller pieces soften completely as the casserole bakes and blend right into every bite.
Save half the cheese for the top. Mixing half in and sprinkling the rest over the top gives you a cheesy inside and a golden, bubbly crust.
Use the toothpick test. Ovens vary, so check the center toward the end of the bake. A clean toothpick means it’s ready.
Recipe Variations
I love this casserole just as it is, but it’s easy to change up.
For a little heat, stir in a diced jalapeño or a pinch of red pepper flakes. Pepper Jack cheese is also delicious in place of the cheddar.
You can also add a cup of corn kernels for extra sweetness and texture, or swap half the zucchini for yellow squash.
And for a heartier version, fold in some crumbled cooked bacon or diced green chiles.
Storage & Reheating
Let leftovers cool, then store them in an airtight container in the refrigerator for up to 4 days.
To reheat, cover the dish with foil and warm it in a 350°F (175°C) oven until heated through. The microwave works for single servings, but the oven keeps the top nice and crisp.
Serving Suggestions
This zucchini cornbread casserole is a perfect side for so many meals.
Serve it with grilled or roasted chicken, BBQ ribs, or pulled pork for a cozy summer dinner. It’s also wonderful next to a bowl of chili or soup.
For holidays, it makes a fun twist on traditional cornbread alongside ham or turkey. And a simple green salad keeps the whole meal balanced.
Recipe FAQs
- Can I make this ahead of time?
Absolutely! Assemble everything, cover it up, and pop it in the fridge overnight. When you’re ready to bake, let it sit at room temp for 30 minutes, then straight into the oven it goes! Perfect for stress-free meal prep.
- How do I keep the casserole from getting soggy?
Zucchini holds a ton of water! Shred it, sprinkle a little salt over the top, and let it sit for 10 minutes. Then, squeeze out the excess moisture with a clean kitchen towel or paper towels. This trick keeps your casserole light, not watery.
- Can I use frozen zucchini?
Yep! Just make sure to thaw it completely and drain really well before mixing it in. No one wants a mushy casserole!
- Can I make this gluten-free?
Totally! Just swap out the corn muffin mix for a gluten-free version. Everything else in the recipe is naturally gluten-free!
- How do I store and reheat leftovers?
Store any leftovers in an airtight container in the fridge for up to 4 days. To reheat, cover with foil and warm in a 350°F (175°C) oven until heated through. Microwaving works too, but the oven keeps it nice and crispy on top!
You May Also Love
If this cheesy zucchini cornbread casserole has you craving more cozy sides, here are a few more favorites I think you’ll enjoy. They’re all easy, comforting, and perfect for sharing.
- Easy Squash Casserole – creamy, cheesy, and another delicious way to use up summer squash.
- Southern Fried Corn – sweet, buttery corn that’s the perfect partner for any cookout.
- Moist Zucchini Bread – a soft, sweet loaf for when you still have zucchini to use up.
- Fresh Corn and Tomato Salad – bright, fresh, and perfect alongside this cheesy casserole.
- Broccoli Cheddar Stuffed Baked Potatoes – a hearty, cheesy side the whole family will love.
Save a few of these for later, and you’ll always have something delicious to make!
Zucchini Cornbread Casserole
Ingredients
- Cooking spray
- 4 cups shredded zucchini
- 1 medium onion, chopped
- 1 (8.5-ounce) package dry corn muffin mix
- 2 large eggs, beaten
- ½ tsp salt
- ¼ tsp black pepper
- 8 ounces Cheddar cheese, shredded (divided)
Instructions
Preheat & Prepare:
- Preheat your oven to 350°F (175°C). Lightly grease a 2-quart baking dish with cooking spray.
Mix Ingredients:
- In a large bowl, combine the shredded zucchini, chopped onion, corn muffin mix, beaten eggs, salt, and black pepper. Stir until well mixed, then fold in half (4 ounces) of the shredded Cheddar cheese.
Assemble the Casserole:
- Spread the mixture evenly into the prepared baking dish. Sprinkle the remaining 4 ounces of shredded Cheddar cheese on top.
- Bake:
- Place in the preheated oven and bake for about 60 minutes, or until the top is lightly browned and a toothpick inserted into the center comes out clean.
Serve & Enjoy:
- Let the casserole cool for a few minutes before serving. Slice and enjoy as a delicious side dish!
