Ground Beef And Zucchini Casserole

Highlighted under: Hearty Kitchen Creations

I absolutely love making this Ground Beef and Zucchini Casserole for family dinners. It’s an easy, one-dish meal that combines hearty beef with fresh zucchini, and it’s packed with flavor. I love how the zucchini absorbs the deliciousness of the spices and the savory beef. Plus, it comes together quickly, making it a go-to recipe for busy weeknights. Trust me, it’s comfort food at its finest, and everyone always goes back for seconds!

Harriet Mason

Created by

Harriet Mason

Last updated on 2026-02-28T04:33:35.466Z

When I first experimented with this Ground Beef and Zucchini Casserole, I wanted a way to incorporate more vegetables into our meals without sacrificing flavor. I discovered that layering zucchini with seasoned ground beef creates a flavorful dish that’s satisfying and nutritious. The secret is in browning the beef properly and allowing the zucchini to soften just enough to meld with all the spices.

Each time I make this casserole, I try to sneak in different spices depending on what I have on hand, and it always turns out delicious. A sprinkle of paprika or a dash of Italian seasoning can transform the profile of the dish. It’s a fantastic way to use up any extra zucchini from the garden, too!

Why You Will Love This Casserole

  • Hearty comfort food that's perfect for a family gathering
  • Quick and easy preparation, ideal for busy weeknights
  • Packed with flavor from juicy ground beef and tender zucchini

Technique Tips for Perfect Casserole

To ensure that your Ground Beef and Zucchini Casserole comes out perfectly, it's essential to sauté your vegetables thoroughly before adding the beef. Look for the onion to become translucent and the garlic to emit a fragrant aroma, which usually takes around 3 minutes over medium heat. This step creates a flavorful base that enhances the overall taste of the dish.

When browning the ground beef, break it apart with a spatula to create even cooking and prevent clumping. Cook it until it is rich brown, which usually takes about 7 to 10 minutes. A common issue is undercooking the beef, which can result in a greasy texture. If you notice excess fat collecting in the skillet, be sure to drain it off before proceeding.

Flavor Profile and Ingredient Roles

In this casserole, the combination of beef and zucchini creates a harmony of flavors. The zucchini not only adds moisture but also absorbs the savory seasoning, enhancing its taste. Italian seasoning brings a warm, herby profile that complements the meat well—don’t skip this ingredient as it’s key to achieving that comforting Italian flavor.

The inclusion of diced tomatoes introduces acidity that helps balance the richness of the beef. If you're looking to adjust the flavor, you could opt for fire-roasted diced tomatoes for a smoky twist. Additionally, using mozzarella cheese can provide a stringy texture, while cheddar gives a sharper flavor. Choose according to your preference for a customized flavor experience.

Make-Ahead and Storage Tips

One of the great things about this casserole is that it can be prepared ahead of time. You can assemble the dish, cover it securely, and refrigerate it for up to 24 hours before baking. When you're ready to eat, simply add about 10 extra minutes to the baking time to ensure everything heats through thoroughly.

If you have leftovers, store them in an airtight container in the refrigerator for up to 3 days. This dish also freezes well—portion it into individual servings, wrap tightly, and you can freeze for up to 3 months. Just remember to thaw it overnight in the fridge before reheating to avoid uneven cooking.

Ingredients

Gather the following ingredients to prepare the casserole.

Ingredients

  • 1 lb ground beef
  • 2 medium zucchinis, sliced
  • 1 medium onion, chopped
  • 2 cloves garlic, minced
  • 1 can (15 oz) diced tomatoes, undrained
  • 1 teaspoon Italian seasoning
  • Salt and pepper to taste
  • 1 cup shredded cheese (mozzarella or cheddar)
  • 1 cup cooked rice (optional)
  • Cooking oil for sautéing

Make sure to have all ingredients ready before you start cooking!

Instructions

Follow these steps to make your Ground Beef and Zucchini Casserole.

Sauté the vegetables

In a large skillet, heat a tablespoon of cooking oil over medium heat. Add the chopped onion and minced garlic, sautéing until softened, about 3 minutes.

Brown the beef

Add ground beef to the skillet, breaking it apart with a spatula. Cook until well browned, about 7-10 minutes. Drain excess fat if necessary.

Layer the ingredients

Stir in the sliced zucchini, diced tomatoes, Italian seasoning, salt, and pepper. If using, fold in the cooked rice. Transfer the mixture to a greased casserole dish, spreading it evenly.

Bake the casserole

Top the mixture with shredded cheese and cover the dish with foil. Bake in a preheated oven at 350°F (175°C) for 20 minutes. Remove the foil and bake for an additional 10 minutes until the cheese is bubbly.

Serve and enjoy

Let the casserole cool for a few minutes before serving. Enjoy it warm with a side salad or crusty bread!

Enjoy your delicious casserole!

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Pro Tips

  • For an extra flavor boost, consider adding some fresh herbs like basil or parsley before serving. You can also substitute ground turkey or chicken for a lighter option.

Serving Suggestions

This Ground Beef and Zucchini Casserole pairs wonderfully with a crisp side salad. The freshness of the salad complements the richness of the casserole, providing a balanced meal. You could also serve it with garlic bread to soak up the delicious juices—a real comfort food experience.

For an extra crunch, consider adding some toasted breadcrumbs on top right before serving. Simply mix breadcrumbs with a little olive oil and sprinkle over the cheese before the last 10 minutes of baking. This will create a delightful texture contrast and make the dish even more appealing.

Variations to Consider

Feel free to customize this casserole based on what you have at home or your family's tastes. For instance, adding different vegetables like bell peppers or spinach can enhance the nutrition factor and add more colors to your dish. If you prefer a vegetarian version, substitute the ground beef with lentils or mushrooms, which will still provide a hearty base.

Another fun variation is to make it more spicy by adding red pepper flakes or diced jalapeños to the meat mixture. This can create a zesty kick that many enjoy. You could also experiment with different cheeses or even include a dollop of sour cream on top just before serving for a creamy finish.

Questions About Recipes

→ Can I use other vegetables?

Absolutely! Feel free to add bell peppers, spinach, or mushrooms depending on your preference.

→ Can I make this casserole ahead of time?

Yes, you can prepare it a day in advance and refrigerate. Just bake it just before serving.

→ Is it freezer-friendly?

Yes, this casserole freezes well. Just thaw in the fridge overnight and reheat before serving.

→ What cheese works best?

Mozzarella and cheddar are great choices, but you can experiment with any cheese you like!

Ground Beef And Zucchini Casserole

I absolutely love making this Ground Beef and Zucchini Casserole for family dinners. It’s an easy, one-dish meal that combines hearty beef with fresh zucchini, and it’s packed with flavor. I love how the zucchini absorbs the deliciousness of the spices and the savory beef. Plus, it comes together quickly, making it a go-to recipe for busy weeknights. Trust me, it’s comfort food at its finest, and everyone always goes back for seconds!

Prep Time15 minutes
Cooking Duration30 minutes
Overall Time45 minutes

Created by: Harriet Mason

Recipe Type: Hearty Kitchen Creations

Skill Level: Intermediate

Final Quantity: 6 servings

What You'll Need

Ingredients

  1. 1 lb ground beef
  2. 2 medium zucchinis, sliced
  3. 1 medium onion, chopped
  4. 2 cloves garlic, minced
  5. 1 can (15 oz) diced tomatoes, undrained
  6. 1 teaspoon Italian seasoning
  7. Salt and pepper to taste
  8. 1 cup shredded cheese (mozzarella or cheddar)
  9. 1 cup cooked rice (optional)
  10. Cooking oil for sautéing

How-To Steps

Step 01

In a large skillet, heat a tablespoon of cooking oil over medium heat. Add the chopped onion and minced garlic, sautéing until softened, about 3 minutes.

Step 02

Add ground beef to the skillet, breaking it apart with a spatula. Cook until well browned, about 7-10 minutes. Drain excess fat if necessary.

Step 03

Stir in the sliced zucchini, diced tomatoes, Italian seasoning, salt, and pepper. If using, fold in the cooked rice. Transfer the mixture to a greased casserole dish, spreading it evenly.

Step 04

Top the mixture with shredded cheese and cover the dish with foil. Bake in a preheated oven at 350°F (175°C) for 20 minutes. Remove the foil and bake for an additional 10 minutes until the cheese is bubbly.

Step 05

Let the casserole cool for a few minutes before serving. Enjoy it warm with a side salad or crusty bread!

Extra Tips

  1. For an extra flavor boost, consider adding some fresh herbs like basil or parsley before serving. You can also substitute ground turkey or chicken for a lighter option.

Nutritional Breakdown (Per Serving)

  • Calories: 450 kcal
  • Total Fat: 24g
  • Saturated Fat: 10g
  • Cholesterol: 80mg
  • Sodium: 600mg
  • Total Carbohydrates: 20g
  • Dietary Fiber: 2g
  • Sugars: 5g
  • Protein: 30g