Ground Beef Zucchini Casserole is the dish that finally made me a zucchini convert. Growing up, I absolutely hated zucchini. It was always so bland and watery! But my mom, bless her heart, kept trying. Then one day, she whipped up this amazing casserole, and I was hooked. My cooking style is all about simple, flavorful dishes, and this one is no exception. The savory aroma of browned beef, sweet tomatoes, and melted mozzarella… trust me, it’s irresistible. This beef and zucchini bake is a perfect example of how a few humble ingredients can come together to create something truly special. Especially when you need an easy weeknight ground beef zucchini casserole that the whole family will enjoy. Let’s get cooking!
Why You’ll Love This Ground Beef Zucchini Casserole
This casserole with ground beef and zucchini is seriously a lifesaver. You’ll find yourself making this ground beef zucchini dish over and over again. I know I do! It’s one of those recipes that just *works* – delicious, easy, and everyone loves it. Here’s why:
- It’s flavor-packed and satisfying; a hearty meal that doesn’t skimp on taste.
- Prep time is quick, so you spend less time in the kitchen and more time relaxing.
- It’s healthy and nutritious, packed with veggies and lean protein.
- As a budget friendly ground beef zucchini casserole, it won’t break the bank – perfect for feeding the whole family!
- It’s perfect for busy weeknights when you need dinner on the table fast.
- This beef and zucchini bake is easy to customize with your favorite veggies.
- It’s a great way to use up extra zucchini from the garden or farmer’s market.
Ingredients for Ground Beef Zucchini Casserole
Alright, let’s gather everything we need for this amazing ground beef zucchini casserole! I always say that fresh, quality ingredients make all the difference in a zucchini ground beef dish. So, here’s the lineup, and a few of my little secrets:
- 2 medium zucchini, sliced (about 2 pounds) – Make sure your zucchini is fresh and firm. Nobody wants a mushy casserole with ground beef and zucchini!
- 1 tablespoon olive oil – This adds a lovely richness and helps with browning the beef. A good quality extra virgin olive oil is always my go-to.
- 1 small onion, diced – I usually use a yellow or white onion for this beef and zucchini bake; they’re just the right amount of sweet.
- 2 garlic cloves, minced – Freshly minced garlic? Absolutely essential! Don’t even think about using the jarred stuff for this ground beef zucchini bake recipe.
- 1 pound lean ground beef – I recommend 90% lean. You can totally substitute with ground turkey for a slightly lighter healthy ground beef zucchini casserole.
- 2 teaspoon Italian seasoning – This adds that classic Italian flavor that makes this zucchini casserole with meat so comforting.
- ½ teaspoon kosher salt – Enhances all the flavors beautifully – don’t skip it!
- ½ teaspoon black pepper – Just a touch of spice to balance everything out.
- 1 28 ounce can diced tomatoes, drained – Draining the tomatoes is key to preventing a watery ground beef zucchini tomato casserole. Trust me on this one!
- 2 cups shredded mozzarella cheese – Low-moisture, part-skim mozzarella works great. It melts beautifully without making the beef zucchini casserole with cheese too greasy.
How to Make Ground Beef Zucchini Casserole
Okay, now for the fun part! Let’s actually put together this amazing ground beef zucchini casserole. Don’t worry, it’s super straightforward. Just follow these simple steps and you’ll have a delicious casserole with ground beef and zucchini on the table in no time. Trust me, even if you’re not a seasoned chef, you can nail this beef and zucchini bake!
- Step 1: Salt the zucchini. Slice your zucchini into about ½-inch rounds. Pop them into a colander, give them a generous sprinkle of salt, and let them hang out for about 15 minutes. This draws out all that extra moisture, so your ground beef zucchini bake recipe doesn’t end up watery. Rinse them really well under cold water to get rid of the salt, and then pat them dry with paper towels.
- Step 2: Sauté the aromatics. Heat the olive oil in a large skillet over medium-high heat. Add the diced onion and cook until it starts to soften and become translucent, about 2 minutes. Then, toss in the minced garlic and cook until it’s fragrant – you’ll smell it, trust me! – about 1 minute.
- Step 3: Brown the beef. Add the lean ground beef to the skillet, breaking it up with a spoon as it cooks. Keep stirring occasionally until the beef is browned all over, with no pink left, about 5 minutes.
- Step 4: Season the beef. Stir in the drained diced tomatoes, Italian seasoning, kosher salt, and black pepper. Give everything a good mix so all those flavors get happy together. Then, remove the skillet from the heat.
- Step 5: Preheat the oven. Go ahead and preheat your oven to 350°F (175°C). This easy ground beef zucchini casserole recipe is almost ready for its close-up!
- Step 6: Layer the casserole. In an 8×8 inch baking dish, spread half of the ground beef mixture evenly across the bottom. Top with half of the zucchini slices, overlapping them slightly. Then, sprinkle half of the shredded mozzarella cheese over the zucchini. Repeat these layers with the remaining ground beef mixture, zucchini slices, and mozzarella cheese.
- Step 7: Bake. Pop the beef zucchini casserole with cheese into the preheated oven and bake for 20-25 minutes, or until the cheese is melted, bubbly, and starting to turn golden brown on top. That’s when you know it’s ready!
- Step 8: Rest. Once it’s out of the oven, let the Ground Beef Zucchini Casserole rest for about 10 minutes before serving. This helps everything set up a little, and it makes it easier to slice.
Pro Tips for the Best Ground Beef Zucchini Casserole
Okay, you’ve got the basics down, but let’s take your ground beef zucchini casserole from good to *amazing*! Here are a few of my secret weapons for the perfect beef and zucchini bake every single time. Trust me, these little tweaks make a HUGE difference in this zucchini ground beef dish!
What’s the secret to perfect Ground Beef Zucchini Casserole?
It’s all about getting rid of that excess moisture! Seriously, salting the zucchini beforehand is a MUST. Don’t skip that step! It keeps your casserole with ground beef and zucchini from becoming a soggy mess. Also, don’t be afraid to use a little extra cheese. A generous layer of mozzarella really elevates this ground beef zucchini bake recipe.
Can I make Ground Beef Zucchini Casserole ahead of time?
Absolutely! This easy ground beef zucchini casserole recipe is actually fantastic for meal prepping. Just assemble the whole thing, cover it tightly with foil, and pop it in the fridge. Then, when you’re ready to bake, just add about 10-15 minutes to the cooking time. You can even freeze it (unbaked) for up to a month! Just thaw it in the fridge overnight before baking your healthy ground beef zucchini casserole.
How do I avoid common mistakes with Ground Beef Zucchini Casserole?
The biggest mistake I see people make with their keto ground beef zucchini casserole recipe is not draining the tomatoes properly. Seriously, if you skip that step, you’ll end up with a watery casserole. Also, be careful not to overcook the beef. You want it browned, but still tender. And finally, don’t be shy with the seasoning! A little extra Italian seasoning can really bring out the flavors in this low carb ground beef zucchini casserole.
Best Ways to Serve Your Ground Beef Zucchini Casserole
Alright, you’ve baked your ground beef zucchini casserole to golden perfection, and now it’s time to dig in! But how should you serve this delicious beef and zucchini bake to make it a truly memorable meal? Here are a few of my favorite ways to enjoy this casserole with ground beef and zucchini:
- Serve with a side salad for a light and balanced meal. A simple green salad with a vinaigrette dressing is the perfect contrast to the richness of the zucchini ground beef dish.
- Pair with crusty bread to soak up the delicious sauce. Trust me, you won’t want to waste a single drop of that flavorful sauce from this ground beef zucchini tomato casserole!
- Enjoy as a main course for lunch or dinner. This easy ground beef zucchini casserole recipe is hearty enough to stand on its own, making it a perfect choice for a satisfying and fuss-free meal.
Nutrition Facts for Ground Beef Zucchini Casserole
Okay, so you’re probably wondering about the nutrition in this delicious ground beef zucchini casserole, right? Well, here’s a quick rundown of what you can expect per serving of this beef and zucchini bake. Keep in mind, this is just an estimate, but it’ll give you a good idea for your healthy ground beef zucchini casserole!
- Calories: 350
- Fat: 20g
- Protein: 25g
- Carbohydrates: 15g
- Fiber: 3g
These values are estimates; actual nutrition content may vary depending on the specific ingredients you use in your casserole with ground beef and zucchini.
How to Store and Reheat Ground Beef Zucchini Casserole
So, you’ve got some leftover ground beef zucchini casserole – lucky you! This beef and zucchini bake tastes just as good (or even better!) the next day. Here’s how to store and reheat your zucchini ground beef dish so it stays delicious. Trust me, a little care goes a long way!
- Store leftover Ground Beef Zucchini Casserole in an airtight container in the refrigerator for up to 3 days. This keeps it fresh and prevents it from drying out.
- For longer storage, freeze in a freezer-safe container for up to 2 months. Make sure it’s completely cooled before freezing your ground beef zucchini bake recipe!
- Reheat in the oven at 350°F (175°C) until heated through, or microwave in short intervals. If you’re using the oven, cover it with foil to prevent it from drying out. Microwaving is faster, but the texture might be a little softer. Either way, you’ll have a delicious casserole with ground beef and zucchini ready to enjoy!

Frequently Asked Questions About Ground Beef Zucchini Casserole
Got questions about making the perfect ground beef zucchini casserole? I’ve got answers! I’ve made this beef and zucchini bake countless times, so I’ve learned a thing or two. Here are some of the most common questions I get about this zucchini ground beef dish:
Can I use other vegetables in Ground Beef Zucchini Casserole? What vegetables work best?
Absolutely! This casserole with ground beef and zucchini is super versatile. Bell peppers (any color!), mushrooms, and onions are fantastic additions. Just sauté them along with the onions and garlic before adding the ground beef. Some people even like adding spinach, but I think that’s best added in the last 5 minutes of baking. Want to make it a real veggie powerhouse? Throw in some eggplant or yellow squash too! Just remember that adding more vegetables might increase the liquid content, so be sure to drain them well before adding them to your ground beef zucchini bake recipe.
How can I make Ground Beef Zucchini Casserole low carb? What are the best cheese options?
Making a low carb ground beef zucchini casserole is easier than you think! The simplest swap is to use a low-carb tomato sauce or skip the diced tomatoes altogether. Cauliflower rice can also be added for a rice substitute without the carbs. As for cheese, opt for full-fat mozzarella, provolone, or cheddar. These cheeses are lower in carbs and add a ton of flavor to your healthy ground beef zucchini casserole. Avoid pre-shredded cheeses, as they often contain added starches that can increase the carb count. A keto ground beef zucchini casserole recipe is totally doable with these simple adjustments!
What type of ground beef is best for Ground Beef Zucchini Casserole? How does fat content affect the dish?
I usually go for lean ground beef (90% lean or higher) for my ground beef zucchini casserole. It gives you plenty of beefy flavor without making the casserole too greasy. If you use ground beef with a higher fat content, be sure to drain off any excess grease after browning it. Otherwise, your beef zucchini casserole with cheese might end up a bit oily. You could also use ground turkey or chicken as a leaner alternative, but I find that beef gives the best flavor in this casserole with ground beef and zucchini.
Variations of Ground Beef Zucchini Casserole You Can Try
Okay, so you’ve mastered the classic ground beef zucchini casserole, and now you’re ready to take things to the next level? I love experimenting in the kitchen, and this beef and zucchini bake is the perfect canvas for creativity! Here are a few fun and delicious variations to try with this zucchini ground beef dish:
- Keto Ground Beef Zucchini Casserole: Swap out the diced tomatoes for cauliflower rice. It gives you that satisfying texture without all the carbs, making it a perfect keto ground beef zucchini casserole recipe!
- Spicy Ground Beef Zucchini Casserole: Add a pinch of red pepper flakes to the ground beef mixture. A little heat can really wake up the flavors in this casserole with ground beef and zucchini!
- Cheesy Ground Beef Zucchini Casserole with Cream Cheese: Mix a block of softened cream cheese with the shredded mozzarella before layering. This adds a creamy tang and makes the beef zucchini casserole with cheese extra decadent.
- Ground Beef Zucchini Tomato Casserole: Add a layer of sliced fresh tomatoes between the zucchini and the cheese. This gives you a burst of fresh, summery flavor in every bite of this wonderful ground beef zucchini bake recipe.

Amazing Ground Beef Zucchini Casserole: A Foolproof Dish
- Total Time: 55 minutes
- Yield: 6 servings
- Diet: Low Carb
Description
This Ground Beef Zucchini Casserole is a hearty and delicious meal. It combines ground beef, zucchini, and mozzarella cheese in a simple bake. This recipe is perfect for a weeknight dinner.
Ingredients
- 2 medium zucchini, sliced (about 2 pounds)
- 1 tablespoon olive oil
- 1 small onion, diced
- 2 garlic cloves, minced
- 1 pound lean ground beef
- 2 teaspoon Italian seasoning
- ½ teaspoon kosher salt
- ½ teaspoon black pepper
- 1 28 ounce can diced tomatoes, drained
- 2 cups shredded mozzarella cheese
Instructions
- Slice the zucchini into ½” rounds. Put the rounds in a sieve or colander over the sink or a bowl and sprinkle with salt, tossing to coat.
- Allow the salted zucchini to sit for 15 minutes to draw out excess moisture.
- Rinse well under cold water to remove the excess salt. Pat dry with paper towel.
- Heat the oil in a large skillet over medium high. Add onions and cook until they begin to soften, about 2 minutes.
- Add garlic and ground beef, breaking up with a spoon, and cook, stirring often, until the meat is browned with no trace of pink, about 5 minutes.
- Stir in the tomatoes, Italian seasoning, salt and pepper. Remove from heat.
- Preheat oven to 350°.
- In an 8×8 baking dish, spread half of the ground beef mixture. Cover with half of the zucchini slices, then half of the mozzarella cheese.
- Repeat the above steps with the remainder of the meat mixture, zucchini slices, and cheese.
- Bake in the prepared oven for 20 to 25 minutes, until the cheese is melted and beginning to brown.
- Allow the casserole to rest for 10 minutes before serving your Ground Beef Zucchini Casserole.
Notes
- For a low-carb option, use a low-fat shredded cheese.
- You can add other vegetables, such as bell peppers or mushrooms, to the ground beef mixture.
- Use lean ground beef for a healthier Ground Beef Zucchini Casserole.
- Prep Time: 20 minutes
- Cook Time: 25 minutes
- Category: Main Course
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 350
- Sugar: 5g
- Sodium: 500mg
- Fat: 20g
- Saturated Fat: 10g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 15g
- Fiber: 3g
- Protein: 25g
- Cholesterol: 100mg