Ingredients
For the Zucchini Base:
- 3 medium zucchini, shredded
- 1 teaspoon salt
- 1 large egg, lightly beaten
- 1/2 cup grated Parmesan cheese
- 1/4 cup breadcrumbs (optional, use gluten-free if needed)
For the Pizza Topping:
- 1 pound ground beef or Italian sausage, cooked and drained (or use plant-based crumbles)
- 1 (24 ounce) jar pizza sauce
- 1 teaspoon Italian seasoning
- 1/2 teaspoon garlic powder
- 1/4 teaspoon red pepper flakes (optional)
- 2 cups shredded mozzarella cheese
- Optional toppings: pepperoni slices, olives, bell peppers, mushrooms, onions
Step-by-Step Instructions
Getting Started: Prep the Zucchini
- Preheat your oven to 375°F (190°C). Grease a 9×13 inch baking dish.
- Shred the zucchini using a box grater. Place the shredded zucchini in a colander set over a bowl. Sprinkle with salt and let it sit for 15-20 minutes. This will draw out excess moisture, preventing a watery casserole.
- After 15-20 minutes, squeeze the zucchini with your hands or press it with a clean kitchen towel to remove as much moisture as possible. This is a *crucial* step, so don’t skip it! Seriously, squeeze hard!
- In a large bowl, combine the squeezed zucchini, beaten egg, Parmesan cheese, and breadcrumbs (if using). Mix well.
Building the Casserole: Layering the Flavors
- Press the zucchini mixture into the prepared baking dish, creating an even layer. This will be your “crust.”
- Bake the zucchini crust for 20-25 minutes, or until it’s lightly golden brown and set. This pre-baking step helps prevent it from being soggy.
- While the zucchini crust is baking, prepare the pizza topping. If you haven’t already, cook your ground beef or Italian sausage (or plant-based crumbles) in a skillet over medium heat until browned. Drain off any excess grease.
- In a bowl, combine the cooked meat, pizza sauce, Italian seasoning, garlic powder, and red pepper flakes (if using). Stir well.
Finishing Touches: Melting the Cheese
- Remove the zucchini crust from the oven.
- Spread the pizza sauce mixture evenly over the zucchini crust.
- Sprinkle generously with shredded mozzarella cheese.
- Add any optional toppings you desire, such as pepperoni slices, olives, bell peppers, mushrooms, or onions.
- Return the casserole to the oven and bake for another 15-20 minutes, or until the cheese is melted and bubbly and the topping is heated through.
- Let the casserole cool for a few minutes before slicing and serving. This will help it hold its shape better.
Tips & Tricks for Zucchini Pizza Casserole Perfection
Conquering the Watery Zucchini
The biggest challenge with zucchini is its high water content. The salting and squeezing steps are absolutely essential. Don’t be afraid to really put some muscle into squeezing that zucchini! You want to get as much water out as possible.
Customizing Your Casserole
This recipe is incredibly versatile! Feel free to swap out the ground beef or sausage for other proteins like ground turkey or chicken. You can also use different types of cheese, such as provolone, cheddar, or a blend of Italian cheeses. Get creative with your toppings! Add your favorite pizza toppings to make it your own.
Making it Low-Carb/Keto-Friendly
To make this casserole low-carb or keto-friendly, simply omit the breadcrumbs in the zucchini base. You can also use a sugar-free pizza sauce. This transforms it into a guilt-free indulgence.
Preparing Ahead of Time
You can assemble the casserole ahead of time and store it in the refrigerator for up to 24 hours before baking. This is a great option for busy weeknights. Just add a few extra minutes to the baking time to ensure it’s heated through.
Serving Suggestions
Serve this Zucchini Pizza Casserole with a side salad for a complete and balanced meal. It’s also delicious as leftovers the next day. It reheats well in the microwave or oven.
Why This Recipe is a Winner
Sneaking in Those Veggies
Let’s be honest, sometimes getting enough vegetables can feel like a chore. This casserole is a delicious way to sneak in a generous serving of zucchini without sacrificing flavor. Even picky eaters will love it!
A Healthier Pizza Alternative
Craving pizza but trying to eat healthier? This Zucchini Pizza Casserole is the perfect solution. It satisfies your pizza cravings while being lower in carbs and calories than traditional pizza.
Easy to Make and Family-Friendly
This recipe is incredibly easy to make, even for beginner cooks. It’s also a hit with the whole family, making it a great option for weeknight dinners or weekend gatherings.
Variations to Explore
Spicy Zucchini Pizza Casserole
Add a pinch of red pepper flakes to the pizza sauce mixture or sprinkle some jalapeño slices on top for a spicy kick.
Vegetarian Zucchini Pizza Casserole
Omit the meat and add extra vegetables such as mushrooms, bell peppers, onions, and spinach for a vegetarian version.
Chicken Zucchini Pizza Casserole
Use cooked shredded chicken instead of ground beef or sausage for a lighter option.
Comparing to Other Casseroles
If you like this, then you should also try Ground Turkey And Zucchini Skillet for an easy weeknight meal. For a different type of pizza night, try Pizza Tot Casserole, which combines the flavors of pizza with the fun of tater tots. Also, for a low-carb alternative, you should try Pizza Casserole. Finally, if you’re looking for a recipe with a unique twist, Pizza Enchiladas are a must-try.
Storage Instructions
Refrigerating Leftovers
Store leftover Zucchini Pizza Casserole in an airtight container in the refrigerator for up to 3-4 days.
Freezing for Later
You can also freeze the casserole for longer storage. Let it cool completely, then wrap it tightly in plastic wrap and aluminum foil. Freeze for up to 2-3 months. Thaw overnight in the refrigerator before reheating.
Reheating Instructions
Oven Reheating
Preheat your oven to 350°F (175°C). Place the casserole in an oven-safe dish and bake for 15-20 minutes, or until heated through.
Microwave Reheating
Place a slice of casserole on a microwave-safe plate and microwave for 1-2 minutes, or until heated through.
Final Thoughts
This Zucchini Pizza Casserole is a guaranteed crowd-pleaser. It’s a delicious, healthy, and easy way to enjoy the flavors of pizza without the guilt. So go ahead, give it a try and let me know what you think! I’m confident you’ll love it as much as I do. Enjoy!Why is it important to squeeze the zucchini after shredding it?
Squeezing the zucchini removes excess moisture, preventing the casserole from becoming watery.
Can I prepare the Zucchini Pizza Casserole ahead of time?
Yes, you can assemble the casserole ahead of time and store it in the refrigerator for up to 24 hours before baking. Add a few extra minutes to the baking time to ensure it’s heated through.
How can I make this recipe low-carb or keto-friendly?
To make it low-carb or keto-friendly, simply omit the breadcrumbs in the zucchini base and use a sugar-free pizza sauce.
What are some variations I can try with this recipe?
You can try variations such as Spicy Zucchini Pizza Casserole (add red pepper flakes), Vegetarian Zucchini Pizza Casserole (omit meat and add extra vegetables), or Chicken Zucchini Pizza Casserole (use cooked shredded chicken).

Easy Zucchini Pizza Casserole
Ingredients
Equipment
Method
- Preheat your oven to 375°F (190°C). Grease a 9×13 inch baking dish.
- Shred the zucchini using a box grater. Place the shredded zucchini in a colander set over a bowl. Sprinkle with salt and let it sit for 15-20 minutes to draw out excess moisture.
- After 15-20 minutes, squeeze the zucchini with your hands or press it with a clean kitchen towel to remove as much moisture as possible.
- In a large bowl, combine the squeezed zucchini, beaten egg, Parmesan cheese, and breadcrumbs (if using). Mix well.
- Press the zucchini mixture into the prepared baking dish, creating an even layer.
- Bake the zucchini crust for 20-25 minutes, or until it’s lightly golden brown and set.
- While the zucchini crust is baking, cook ground beef or Italian sausage (or plant-based crumbles) in a skillet over medium heat until browned. Drain off any excess grease.
- In a bowl, combine the cooked meat, pizza sauce, Italian seasoning, garlic powder, and red pepper flakes (if using). Stir well.
- Remove the zucchini crust from the oven.
- Spread the pizza sauce mixture evenly over the zucchini crust.
- Sprinkle generously with shredded mozzarella cheese.
- Add any optional toppings you desire, such as pepperoni slices, olives, bell peppers, mushrooms, or onions.
- Return the casserole to the oven and bake for another 15-20 minutes, or until the cheese is melted and bubbly and the topping is heated through.
- Let the casserole cool for a few minutes before slicing and serving.
