Cheesy Beef & Zucchini Casserole Recipe

Zesty Cheesy Beef & Zucchini Casserole Recipe for Cozy Nights

A comforting cheesy beef & zucchini casserole brings warmth to any dining table.

Layers of ground meat mingle with tender vegetable slices in this hearty dish.

Weeknight dinners demand simple yet satisfying solutions that please everyone at the table.

Mediterranean-inspired seasonings add unexpected depth to classic comfort food.

Rich protein and fresh zucchini create a balanced meal that feels both nutritious and indulgent.

Melted cheese binds these ingredients into a memorable culinary experience.

One bite promises to transport you to a cozy kitchen filled with delicious aromas.

You won’t be able to resist this irresistible combination of flavors and textures.

Beef and Zucchini Casserole With Cheesy Layers

  • Quick Family Meal: Perfectly designed for busy weeknight dinners, this casserole delivers delicious comfort food in under an hour with minimal preparation steps.
  • Veggie-Protein Powerhouse: Combines lean ground beef with zucchini, creating a nutritious one-dish meal that sneaks vegetables into a protein-packed recipe kids and adults will love.
  • Budget-Friendly Cooking: Uses affordable ingredients like ground beef, zucchini, and common pantry spices, making this dish economical without sacrificing flavor or satisfaction.
  • Customizable Comfort: Easily adaptable with optional breadcrumb topping or cheese variations, allowing home cooks to personalize the recipe based on family preferences and available ingredients.

Cheesy Beef and Zucchini Casserole Ingredient Mix

Main Ingredients:

Protein:
  • Ground Beef: Hearty protein base that provides rich flavor and substantial texture to the casserole, best when lean to reduce excess fat.
  • Zucchini: Tender vegetable that adds moisture, nutrition, and mild freshness to the dish, garden-fresh or firm zucchinis work best.
Dairy and Cheese:
  • Cheddar Cheese, Mozzarella Cheese: Melty and flavorful cheese combination that creates a golden, gooey topping with sharp and creamy notes, shredded varieties recommended.
Aromatic Base:
  • Onion: Foundational vegetable that provides depth and sweetness to the meat mixture, yellow or white onions preferred.
  • Garlic: Intense flavor enhancer that complements the beef and adds aromatic complexity, fresh cloves recommended.

Supporting Ingredients:

Seasoning and Spices:
  • Italian Seasoning: Pre-mixed herb blend that adds Mediterranean flavor profile to the casserole.
  • Salt: Essential flavor enhancer that balances overall taste.
  • Black Pepper: Adds subtle heat and warmth to the dish.
Moisture and Binding:
  • Diced Tomatoes: Adds moisture, acidity, and slight tanginess to the beef mixture, canned varieties work well.
Optional Topping:
  • Breadcrumbs: Provides optional crunchy texture to the cheese layer, can be seasoned or plain.
Cooking Base:
  • Olive Oil: Cooking medium for sautéing vegetables and preventing sticking, extra virgin recommended.

Cheesy Zucchini Casserole Steps

Cheesy Zucchini Casserole Steps

Step 1: Fire Up The Oven

Crank your oven to a toasty 375°F to get ready for a delicious baking adventure.

Step 2: Sizzle Aromatics

Heat olive oil in a large skillet and toss in:
  • Chopped onions
  • Minced garlic

Sauté these fragrant ingredients until the onions become soft and translucent.

Step 3: Brown The Beef

Add ground beef to the skillet, breaking it into crumbly pieces.

Cook until the meat transforms into a beautiful golden brown color.

Drain away any extra fat to keep things light.

Step 4: Veggie And Seasoning Party

Toss in the following to create a flavor explosion:
  • Sliced zucchini
  • Diced tomatoes
  • Italian seasoning
  • Salt
  • Pepper

Let everything simmer and mingle for about 5 minutes, allowing the zucchini to soften slightly.

Step 5: Layer In Baking Dish

Transfer the sizzling beef and zucchini mixture into a greased 9×13-inch baking dish, spreading it evenly.

Step 6: Cheese Blanket

Sprinkle a luxurious layer of:
  • Shredded cheddar cheese
  • Mozzarella cheese

Optional: Dust with breadcrumbs for a delightful crunchy top.

Step 7: Bake To Perfection

Slide the casserole into the preheated oven and bake for 25-30 minutes.

Watch for the cheese to become bubbly and develop a gorgeous golden-brown crust.

Step 8: Rest And Serve

Allow the casserole to cool for a few minutes, then slice and serve this comforting meal that promises to delight everyone at the table.

Casserole Tips That Combine Cheesy Beef with Zucchini Ease

  • Remove extra grease from ground beef to prevent a soggy, oily casserole and ensure a cleaner, more appetizing dish.
  • Pat zucchini slices with paper towels to remove excess water, preventing the casserole from becoming watery during baking.
  • Let the casserole rest for 5-10 minutes after baking to allow cheese to set and create a perfect, stretchy texture when serving.
  • Skip breadcrumbs and use almond flour or crushed pork rinds for a keto-friendly version that maintains a delicious crunchy topping.
  • Sprinkle fresh chopped parsley or basil just before serving to add brightness and enhance the overall flavor profile of the casserole.

Store Beef & Zucchini Casserole Fresh

  • Store leftover casserole in an airtight container within 2 hours of cooking, keeping it fresh for 3-4 days in the refrigerator.
  • Wrap tightly in freezer-safe containers or heavy-duty aluminum foil, preserving the meal for up to 2 months. Label with the date for easy tracking.
  • Warm individual portions at 350°F for 15-20 minutes, covering with foil to prevent drying out and maintaining the cheesy texture.
  • Heat single servings in microwave-safe dishes for 1-2 minutes, stirring halfway through to ensure even warming and prevent cold spots.

Cheesy Beef & Zucchini Casserole Complements

  • Pair with Crisp Sauvignon Blanc: Light, zesty white wine cuts through the richness of the cheesy beef casserole, refreshing your palate with each sip.
  • Serve with Garlic Bread Sidekick: Crusty garlic bread complements the casserole's savory flavors, providing an extra carbohydrate crunch that soaks up the delicious meat juices.
  • Match with Fresh Garden Salad: Crisp mixed greens with a tangy vinaigrette balance the heaviness of the casserole, adding brightness and nutritional contrast to the meal.
  • Complement with Pinot Noir: Medium-bodied red wine enhances the beef's robust flavor while harmonizing with the melted cheese and herbal Italian seasonings.

Beef Zucchini Casserole Cheesy Style Edits

  • Low-Carb Cauliflower Swap: Replace zucchini with riced cauliflower for a keto-friendly version that reduces carbohydrates and adds extra nutrients.
  • Vegetarian Protein Option: Substitute ground beef with plant-based crumbles or black beans to create a meatless casserole that's protein-packed and nutrient-dense.
  • Gluten-Free Adaptation: Use gluten-free breadcrumbs or crushed pork rinds instead of traditional breadcrumbs to make the recipe safe for those with gluten sensitivities.
  • Mediterranean-Inspired Version: Add crumbled feta cheese, diced bell peppers, and swap Italian seasoning for oregano and basil to create a Mediterranean-style flavor profile.

FAQs

  • Can I use a different type of meat?

Yes, you can substitute ground beef with ground turkey, chicken, or even ground plant-based protein for a lighter option. Just ensure you cook the meat thoroughly and season it well.

  • Is this recipe low-carb friendly?

Absolutely! The zucchini provides a low-carb base, making this casserole perfect for those following keto or low-carbohydrate diets. The dish is packed with protein and vegetables.

  • How can I make this recipe more spicy?

Add red pepper flakes, diced jalapeños, or a dash of hot sauce to the beef mixture while cooking. This will give the casserole an extra kick of heat without changing the core recipe.

  • Can I prepare this casserole ahead of time?

Yes, you can assemble the entire dish beforehand and refrigerate it. Just add an extra 10-15 minutes to the baking time if cooking directly from the refrigerator to ensure it’s heated through completely.

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Cheesy Beef & Zucchini Casserole Recipe

Cheesy Beef & Zucchini Casserole Recipe


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4.6 from 37 reviews

  • Total Time: 40 minutes
  • Yield: 6 1x

Description

Comfort meets convenience in this cheesy beef & zucchini casserole, a hearty one-dish wonder packed with savory flavors and wholesome ingredients. Rich melted cheese and tender ground beef blend perfectly with garden-fresh zucchini, creating a satisfying meal that beckons you to dig in and enjoy.


Ingredients

Scale

Main Protein:

  • 1 pound (454 grams) ground beef

Vegetables:

  • 2 medium zucchinis, sliced
  • 1 onion, chopped
  • 2 cloves garlic, minced
  • 1 can (14.5 ounces or 411 grams) diced tomatoes, drained

Cheese and Seasoning:

  • 1 cup (113 grams) shredded cheddar cheese
  • 1 cup (113 grams) shredded mozzarella cheese
  • 1 teaspoon Italian seasoning
  • Salt and pepper to taste
  • 1 tablespoon (15 milliliters) olive oil
  • 1/2 cup (60 grams) breadcrumbs (optional)

Instructions

  1. Warm the oven to a toasty 375°F, preparing a welcoming environment for the upcoming culinary creation.
  2. In a generously sized skillet, drizzle olive oil and awaken the aromatics by sautéing finely chopped onions and minced garlic until they become translucent and fragrant.
  3. Introduce ground beef to the skillet, using a spatula to crumble and distribute the meat evenly. Cook until the beef transforms into a rich, golden-brown color, ensuring no pink remains.
  4. Incorporate sliced zucchini, bringing vibrant green color and fresh texture to the mixture. Pour in diced tomatoes and sprinkle Italian seasoning, salt, and pepper to elevate the flavor profile.
  5. Allow the ingredients to meld together, gently cooking for several minutes until zucchini softens slightly and releases its delicate moisture.
  6. Carefully transfer the robust beef and zucchini medley into a well-greased baking dish, creating an inviting landscape of savory ingredients.
  7. Generously crown the mixture with a luxurious blanket of shredded cheddar and mozzarella cheeses, ensuring complete coverage for maximum melty goodness.
  8. Optional: Scatter breadcrumbs across the cheesy surface for an irresistible crispy texture.
  9. Slide the baking dish into the preheated oven, letting the heat transform the casserole into a bubbling, golden masterpiece over 25-30 minutes.
  10. Remove from oven and allow the casserole to rest briefly, letting flavors settle before serving this comforting dish.

Notes

  • Pat zucchini dry with paper towels to prevent excess moisture that could make the casserole watery.
  • Replace breadcrumbs with crushed pork rinds or almond flour for a keto-friendly version.
  • Add extra nutrients by mixing in spinach or diced bell peppers during the cooking process.
  • Experiment with different cheese blends like pepper jack or Swiss for unique flavor profiles.
  • Prep Time: 10 minutes
  • Cook Time: 30 minutes
  • Category: Dinner
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 6
  • Calories: 360
  • Sugar: 3 g
  • Sodium: 600 mg
  • Fat: 22 g
  • Saturated Fat: 10 g
  • Unsaturated Fat: 9 g
  • Trans Fat: 0 g
  • Carbohydrates: 15 g
  • Fiber: 2 g
  • Protein: 25 g
  • Cholesterol: 80 mg
Angelina Wiles

Angelina Wiles

Content Editor & Culinary Enthusiast

Expertise

Food Writing and Editing, Vegetarian and Vegan Cuisine, Baking and Pastry Arts, Sustainable Cooking Practices​

Education

Portland Community College
Certificate in Culinary Arts
Focus: Emphasis on sustainable cooking practices, vegetarian cuisine, and food writing.​

​Oregon Culinary Institute
Diploma in Baking and Pastry Arts
Focus: Specialized training in artisanal baking, pastry techniques, and dessert presentation.


Angelina’s love for cooking started with handwritten family recipes and weekend trips to farmers’ markets around Portland. She followed her passion with a Certificate in Culinary Arts from Portland Community College, then perfected her sweet side with a Diploma in Baking and Pastry Arts at Oregon Culinary Institute.
Angelina believes recipes should feel like a conversation, not a science project. She’s all about helping readers trust themselves in the kitchen with simple steps, fresh ideas, and easy twists on classic meals.
When she’s not editing recipes, she’s baking bread, sipping coffee, or getting inspired by the changing seasons.

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