Cheesy Beef & Zucchini Casserole Recipe
This zucchini hamburger casserole is the perfect easy weeknight dinner that comes together quickly with simple ingredients. Ground beef and fresh zucchini bake together under a blanket of melted cheese for a comforting family meal. For another ground beef favorite, try this Easy Ground Beef and Parmesan Tortellini Recipe, or for a different cheesy option, these Cheesy Garlic Chicken Wraps Recipe are equally delicious.
PrintCheesy Beef & Zucchini Casserole
A hearty casserole combining shredded zucchini, ground beef, and a blend of cheeses baked in tomato sauce for a comforting meal.
- Prep Time: 15 minutes
- Cook Time: 40 minutes
- Total Time: 55 minutes
- Yield: 6-8 1x
- Method: Main Dish
- Cuisine: American
Ingredients
- 4 cups shredded unpeeled zucchini
- 1/2 tsp salt
- 2 eggs
- 1/2 cup grated Parmesan cheese
- 2 cups (8 oz) shredded part-skim mozzarella cheese, divided
- 1 cup (4 oz) shredded cheddar cheese, divided
- 1 pound ground beef
- 1/2 cup onion, chopped
- 1 medium green pepper, chopped
- 1 can (15 oz) Italian tomato sauce
Instructions
- Place zucchini in strainer; sprinkle with salt. Let stand for 10 minutes. Squeeze out moisture.
- Combine zucchini with the eggs, Parmesan, and half of the mozzarella and cheddar cheeses. Press into greased 13-in. x 9-in. baking dish.
- Bake, uncovered, at 400°F for 20 minutes.
- Meanwhile, cook beef, onion, and green pepper over medium heat until meat is no longer pink; drain.
- Add tomato sauce to the beef mixture; spoon over zucchini mixture.
- Sprinkle with remaining mozzarella and cheddar cheeses.
- Bake 20 minutes longer or until heated through.
Notes
This casserole can be adapted into a lasagna by layering zucchini with beef, pasta, and cheese. Squeezing out zucchini moisture is key to avoid a watery dish.
Nutrition
- Calories: 350
- Sugar: 6
- Sodium: 700
- Fat: 22
- Saturated Fat: 10
- Unsaturated Fat: 12
- Trans Fat: 0
- Carbohydrates: 10
- Fiber: 3
- Protein: 30
- Cholesterol: 110
Frequently Asked Questions
Can I make Zucchini Hamburger Casserole ahead of time?
Yes, you can assemble this Zucchini Hamburger Casserole a day in advance. Cover it tightly and refrigerate until ready to bake. You may need to add a few extra minutes to the baking time if it goes into the oven cold.
How can I prevent my casserole from being watery?
Sweating the zucchini with salt before assembling helps draw out excess moisture. Simply salt the sliced zucchini, let it sit for 10-15 minutes, then pat it dry with paper towels. This step ensures your Zucchini Hamburger Casserole has the perfect texture.
What can I use instead of ground beef?
Ground turkey, chicken, or a plant-based ground meat alternative work well in this recipe. The cooking method remains the same. This substitution allows you to customize your Zucchini Hamburger Casserole to suit different dietary needs.

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