Pin it
Cheesy Baked Zucchini Casserole is the ultimate way to turn simple zucchini into something everyone actually looks forward to. This recipe is all about the layers of tender zucchini, nutty cheeses and a golden crunchy blanket on top. It is a go-to side dish whenever I want something cozy and satisfying that comes together quickly.
I first made this for a last-minute potluck and was amazed when the entire pan disappeared within minutes. Even my pickiest eater asked for seconds and now this casserole is a regular at our table every summer.
Ingredients
- Zucchini: sliced into rounds brings mild flavor and melts into the casserole be sure they are firm and free from soft spots for best texture
- Sharp cheddar cheese: gives the dish that gooey melty kick go for aged cheddar for more punch
- Grated Parmesan cheese: adds savory depth and a crispy finish buy a block and grate fresh for best results
- Breadcrumbs: either panko or homemade give the topping irresistible crunch choose panko for a lighter airy bite or make your own from day old bread
- Garlic: minced for aromatic boost use fresh cloves for the most impact
- Olive oil: helps everything brown up and brings richness opt for extra virgin for best taste
- Salt: seasons every layer Kosher salt works especially well here
- Black pepper: adds gentle bite and balances the cheese freshly cracked is always better
Step-by-Step Instructions
- Prep the Oven and Dish:
- Set your oven to 375 degrees Fahrenheit and lightly oil a large baking dish making sure to cover the corners to keep the casserole from sticking
- Season the Zucchini:
- In a spacious mixing bowl toss the sliced zucchini with garlic a drizzle of olive oil salt and pepper make sure each piece gets coated for even flavor and roasting
- Layer the Zucchini:
- Place the seasoned zucchini in the prepared dish overlapping each slice just slightly so they cook evenly and the juices do not pool at the base
- Add the Cheese:
- Shower the zucchini with cheddar first then sprinkle grated parmesan across the top covering the layers so every bite gets cheesy goodness
- Finish with Topping:
- Scatter the breadcrumbs over the cheese keeping the layer thin and even press down gently so the topping crisps up perfectly without gaps
- Bake to Perfection:
- Slide the casserole into the preheated oven and bake for 25 to 30 minutes watch for bubbling cheese and a golden brown crust insert a fork to check that the zucchini is tender all the way through
- Rest and Serve:
- Take the dish out and let it cool for a few minutes this helps the casserole hold its shape when sliced and avoids burning hungry mouths
Pin it
Cheesy bread crumbs with zucchini might sound simple but every time I smell the bubbling cheese in the oven I am brought back to summer family dinners on our deck everyone fighting for the last crunchy corner piece is still one of my favorite memories
Storage Tips
Cool the casserole completely before storing Cover the dish with foil or transfer portions to airtight containers in the fridge It keeps well for up to three days Rewarm in the oven at 350 degrees for best texture as the topping stays crisp
Ingredient Substitutions
You can swap out cheddar cheese for mozzarella for a milder taste or use a bit of Gruyere for a nutty note Whole wheat breadcrumbs work just as well or try crushed crackers for a playful variation For anyone avoiding gluten gluten free breadcrumbs blend in without changing the dish much
Serving Suggestions
Cheesy zucchini casserole pairs well with roast chicken grilled fish or even as a main with a fresh green salad I like to serve it alongside tomato soup in the cooler months for a double hit of comfort food Sometimes it even makes a great brunch item with a sunny-egg on top
Cultural Context
Baked vegetable casseroles are classic in many American and European kitchens they grew popular because they could be assembled ahead and served at gatherings The mix of cheese and breadcrumbs originated with French gratins but evolved into countless family comfort dishes like this one
Frequently Asked Questions
- → How do I prevent watery zucchini?
Slice zucchini evenly and avoid overlapping the pieces too much. The breadcrumb topping helps soak up extra moisture, resulting in a crisp, not soggy, bake.
- → Can I use other cheeses instead of cheddar?
Yes, mozzarella can be used for a milder flavor, or blend your favorite cheeses for unique taste. Parmesan adds a savory touch to any combo.
- → What are the best breadcrumbs for the topping?
Panko breadcrumbs provide maximum crunch, but homemade or whole wheat breadcrumbs also work well. Opt for gluten-free breadcrumbs if needed.
- → How can I add more flavor to this dish?
Fresh herbs like parsley, basil, or oregano can be sprinkled into the topping before baking for extra freshness. Garlic is another great addition.
- → Is this a make-ahead friendly dish?
You can prepare the casserole up to the topping step, cover, and refrigerate until ready to bake. Add a few extra minutes to baking time if starting from cold.