Zucchini Parmesan Casserole Recipe

Zucchini Parmesan Casserole Recipe has become one of my go-to dishes when I want something comforting but still packed with veggies. If you’ve got a bunch of zucchinis sitting around and want to turn them into something tasty without too much fuss, this casserole has your name on it. Ready to chat about how to whip this up?

Why You Should Try Zucchini Parmesan Casserole Recipe

This dish hits the sweet spot between fresh and cheesy. Zucchini sometimes gets a bad rap for being watery or bland, but pairing it with Parmesan and a crispy topping turns it into a real crowd-pleaser. Plus, it’s a sneaky way to get some extra veggies on the table without anyone complaining.

Variations I’ve Tried

Over the years, I’ve played around with this recipe quite a bit. Sometimes I add a handful of fresh basil or oregano for a herby twist. Other times, I swap Parmesan for mozzarella if I’m craving gooey cheese. And for a little heat, a pinch of red pepper flakes works wonders. Ever thought about tossing in some cooked sausage? It’s surprisingly good!

Ingredients You’ll Need

  • 4 medium zucchinis, thinly sliced
  • 1 cup grated Parmesan cheese
  • 1 cup shredded mozzarella cheese
  • 1 cup marinara sauce (homemade or store-bought)
  • 2 cloves garlic, minced
  • 1/2 cup breadcrumbs
  • 2 tablespoons olive oil
  • Salt and pepper to taste
  • Fresh basil or parsley for garnish (optional)

How to Make Zucchini Parmesan Casserole

  1. Preheat your oven to 375°F (190°C).
  2. Toss the sliced zucchini with olive oil, garlic, salt, and pepper in a bowl.
  3. Spread a thin layer of marinara sauce on the bottom of your casserole dish.
  4. Layer half the zucchini over the sauce, sprinkle half the Parmesan and mozzarella on top.
  5. Add another layer of marinara, then the remaining zucchini and cheeses.
  6. Sprinkle breadcrumbs evenly over the top for that golden crunch.
  7. Bake uncovered for about 30-35 minutes until bubbly and golden brown.

Pro Tips for Zucchini Parmesan Casserole

Make sure to slice the zucchini thinly and evenly so everything cooks at the same rate. If you don’t want a soggy casserole, salt the zucchini slices and let them sit for 10 minutes before cooking to draw out excess moisture. Pat them dry with a paper towel afterward. Also, don’t skip the breadcrumbs—they add that satisfying crunch on top!

Leftovers

Leftovers reheat beautifully. I usually pop mine in the microwave for a minute or two or warm it up in the oven at 350°F (175°C) until heated through. It’s one of those dishes that tastes even better the next day once the flavors have had time to mingle.

Common Mistakes to Avoid

One rookie mistake is not salting the zucchini beforehand, which can make the casserole watery. Another is piling on too much sauce; keep it moderate to avoid sogginess. Lastly, don’t forget the breadcrumbs—without them, the casserole feels incomplete.

Nutrition Information

  • Calories: 320 kcal
  • Carbohydrates: 18 g
  • Protein: 22 g
  • Fat: 20 g
  • Fiber: 4 g
  • Sugar: 7 g
Zucchini Parmesan Casserole Recipe
Ally Sanders

Zucchini Parmesan Casserole Recipe

A delicious and cheesy zucchini casserole topped with Parmesan, perfect as a side dish or main course.
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings: 4
Course: Lunch
Cuisine: American

Ingredients
  

  • 4 cups zucchini, sliced
  • 1 cup grated Parmesan cheese
  • 1/2 cup breadcrumbs
  • 1/2 cup mozzarella cheese, shredded
  • 1 teaspoon garlic powder
  • 1/2 teaspoon black pepper
  • 2 tablespoons olive oil
  • 1/4 cup chopped fresh basil

Instructions
 

  1. Preheat oven to 375°F (190°C).
  2. In a large bowl, combine sliced zucchini, garlic powder, black pepper, and olive oil.
  3. Spread zucchini mixture evenly into a greased baking dish.
  4. Sprinkle breadcrumbs, Parmesan cheese, and mozzarella evenly over the top.
  5. Bake for 25-30 minutes until the top is golden brown and bubbly.
  6. Garnish with chopped fresh basil before serving if desired.

Notes

Ensure zucchini is sliced evenly for uniform cooking. Adding fresh basil adds a nice flavor but can be omitted.