This Cheesy Zucchini and Squash Casserole is a delightful dish that brings together fresh veggies and creamy goodness. Perfect for family gatherings or weeknight dinners, this casserole is not just a side dish; it’s the star of the meal. With its vibrant colors and bubbly cheese topping, it’s sure to impress both kids and adults alike. Plus, it’s easy to prepare, making it suitable for any occasion.

Jump to:
- Why You’ll Love This Recipe
- Tools and Preparation
- Essential Tools and Equipment
- Importance of Each Tool
- Ingredients
- Fresh Vegetables
- Creamy Mixture
- Topping
- For Garnish
- How to Make Cheesy Zucchini and Squash Casserole
- Step 1: Prepare the Vegetables
- Step 2: Assemble in Baking Dish
- Step 3: Mix Creamy Ingredients
- Step 4: Combine Mixtures
- Step 5: Add Cheese Topping
- Step 6: Bake
- How to Serve Cheesy Zucchini and Squash Casserole
- Pair with Grilled Chicken
- Add a Fresh Salad
- Serve with Garlic Bread
- Offer a Side of Quinoa
- Complement with Roasted Vegetables
- How to Perfect Cheesy Zucchini and Squash Casserole
- Best Side Dishes for Cheesy Zucchini and Squash Casserole
- Common Mistakes to Avoid
- Refrigerator Storage
- Freezing Cheesy Zucchini and Squash Casserole
- Reheating Cheesy Zucchini and Squash Casserole
- Frequently Asked Questions
- What is Cheesy Zucchini and Squash Casserole?
- Can I use other vegetables in this casserole?
- How do I prevent my casserole from becoming watery?
- Can I make this recipe ahead of time?
- Final Thoughts
- 📖 Recipe Card
Why You’ll Love This Recipe
- Quick Preparation: With just 10 minutes of prep time, you can have this dish ready to bake in no time.
- Flavorful Layers: The combination of heavy cream, mozzarella, and parmesan creates an irresistible creamy texture that enhances the flavor of zucchini and squash.
- Versatile Dish: Perfect as an appetizer or a side dish, this casserole complements any meal from grilled meats to pasta dishes.
- Healthy Ingredients: Loaded with nutritious vegetables, this recipe offers a tasty way to incorporate more greens into your diet.
- Crowd-Pleaser: Its cheesy goodness appeals to all ages, making it a great choice for family dinners or potlucks.
Tools and Preparation
Before diving into the cooking process, gather your essential tools. Having everything on hand will make the preparation go smoothly.
Essential Tools and Equipment
- Baking dish
- Mixing bowl
- Whisk
- Knife
- Cutting board
Importance of Each Tool
- Baking dish: Ensures even cooking and allows for presentation when serving.
- Mixing bowl: Keeps ingredients organized while you whisk together your creamy mixture.
- Whisk: Helps achieve a smooth blend of cream and cheese without lumps.
Ingredients
Fresh Vegetables
- 3 medium zucchini
- 3 medium yellow squash
Creamy Mixture
- 1 1/2 cups heavy cream
- 1/2 cup parmesan cheese
- 1 tsp garlic parsley salt
Topping
- 2 cups mozzarella cheese
For Garnish
- 2 tablespoons fresh parsley, finely chopped

How to Make Cheesy Zucchini and Squash Casserole
Step 1: Prepare the Vegetables
- Wash the zucchini and squash thoroughly under cold water.
- Slice them into 1/2-inch thick rings using a sharp knife.
Step 2: Assemble in Baking Dish
- Arrange the sliced rings in a shallow, circular baking dish. You can create nice layers for better presentation.
Step 3: Mix Creamy Ingredients
- In a separate mixing bowl, whisk together the heavy cream, garlic parsley salt, and parmesan cheese until well combined.
Step 4: Combine Mixtures
- Pour the creamy mixture evenly over the arranged vegetables in the baking dish.
Step 5: Add Cheese Topping
- Generously sprinkle mozzarella cheese on top of the veggie mixture for that melty finish.
Step 6: Bake
- Preheat your oven to 350°F (180°C).
- Bake for 30 minutes or until golden brown and bubbly.
- Serve hot right out of the oven and enjoy your delicious cheesy zucchini and squash casserole!
How to Serve Cheesy Zucchini and Squash Casserole
This cheesy zucchini and squash casserole is not only a delightful main dish but also pairs beautifully with various sides. Here are some serving suggestions to elevate your meal.
Pair with Grilled Chicken
- Juicy grilled chicken adds protein and balances the creamy texture of the casserole.
Add a Fresh Salad
- A crisp garden salad complements the richness of the casserole, providing a refreshing crunch.
Serve with Garlic Bread
- Warm, toasted garlic bread is perfect for scooping up the cheesy goodness.
Offer a Side of Quinoa
- Nutty quinoa brings a healthy touch and adds a unique texture alongside the casserole.
Complement with Roasted Vegetables
- Seasonal roasted veggies enhance flavors and contribute to a colorful plate.
How to Perfect Cheesy Zucchini and Squash Casserole
To ensure your cheesy zucchini and squash casserole turns out perfectly every time, consider these helpful tips.
- Use fresh vegetables: Fresh zucchini and squash yield better flavor and texture than older ones.
- Slice uniformly: Cutting the vegetables into even rings ensures they cook evenly throughout.
- Adjust seasoning: Feel free to tweak the garlic parsley salt based on your taste preference for more or less flavor.
- Experiment with cheeses: Mixing in different cheeses like cheddar or feta can add depth to the dish.
- Let it rest: Allowing the casserole to sit for a few minutes after baking helps it set up nicely for serving.

Best Side Dishes for Cheesy Zucchini and Squash Casserole
Pairing your cheesy zucchini and squash casserole with the right sides can enhance your dining experience. Here are some excellent choices:
- Steamed Asparagus
Lightly steamed asparagus provides a bright, green contrast that is both tasty and nutritious. - Rice Pilaf
Fluffy rice pilaf offers a mild flavor that complements the creamy casserole without overwhelming it. - Corn on the Cob
Sweet corn on the cob is a classic summer side that adds sweetness and crunch to your plate. - Coleslaw
A tangy coleslaw brings a nice crunch and acidity, balancing out the richness of the dish. - Baked Potatoes
Classic baked potatoes are versatile; you can top them with sour cream or chives for added flavor. - Stuffed Peppers
Colorful stuffed peppers filled with grains or meat provide additional heartiness to your meal.
Common Mistakes to Avoid
When making a cheesy zucchini and squash casserole, it’s easy to make some common mistakes. Here are a few to watch out for:
- Skipping the washing step: Always wash your zucchini and squash before slicing. This removes dirt and pesticides that can affect the taste.
- Overcrowding the dish: Don’t pack the vegetable rings too tightly. Give them space to bake evenly, ensuring that every bite is delicious.
- Ignoring baking time: Keep an eye on the casserole as it bakes. Every oven is different; check for bubbling and golden cheese to know when it’s done.
- Not letting it rest: Allow your casserole to sit for a few minutes before serving. This helps it set and makes for easier serving.
- Forgetting seasoning adjustments: Taste the heavy cream mixture before pouring it over the vegetables. Adjust salt or garlic levels according to your preference.
Refrigerator Storage
- Store leftovers in an airtight container for up to 3 days.
- Allow the casserole to cool completely before refrigerating.
Freezing Cheesy Zucchini and Squash Casserole
- Wrap the casserole tightly in plastic wrap or aluminum foil.
- It can be frozen for up to 3 months. Label with the date for reference.
Reheating Cheesy Zucchini and Squash Casserole
- Oven: Preheat to 350°F. Cover with foil and heat for about 20-25 minutes until warmed through.
- Microwave: Place in a microwave-safe dish, cover, and heat on medium power for 2-3 minutes, stirring halfway through.
- Stovetop: Heat in a skillet over low heat, stirring occasionally until warmed throughout.

Frequently Asked Questions
What is Cheesy Zucchini and Squash Casserole?
Cheesy zucchini and squash casserole is a delightful baked dish made with fresh zucchini, yellow squash, cream, and cheeses. It’s perfect as a side or appetizer.
Can I use other vegetables in this casserole?
Yes! You can customize your cheesy zucchini and squash casserole by adding bell peppers, onions, or even mushrooms for extra flavor.
How do I prevent my casserole from becoming watery?
To prevent excess moisture, you can salt the sliced zucchini and squash beforehand. Let them drain for about 30 minutes before assembling your dish.
Can I make this recipe ahead of time?
Absolutely! You can prepare everything ahead of time, store it in the fridge, and bake it just before serving.
Final Thoughts
This cheesy zucchini and squash casserole is not only rich in flavor but also visually appealing with its vibrant colors. It serves as an excellent side dish or appetizer that can be easily customized with your favorite veggies or spices. Try making it today; you won’t be disappointed!
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Cheesy Zucchini and Squash Casserole
- Total Time: 40 minutes
- Yield: Serves 8
Description
Discover the ultimate comfort food with this Cheesy Zucchini and Squash Casserole. Bursting with fresh, vibrant vegetables and enveloped in a luscious blend of heavy cream, mozzarella, and parmesan, this dish is sure to become a family favorite. Perfect for any occasion—be it a weeknight dinner or a festive gathering—this casserole not only serves as a delightful side but can easily take center stage at your table. With its creamy layers and golden cheese topping, it’s designed to impress both kids and adults alike while offering a healthy dose of greens. Plus, it’s quick to prepare, making mealtimes simpler without sacrificing flavor.
Ingredients
- 3 medium zucchini
- 3 medium yellow squash
- 1 ½ cups heavy cream
- ½ cup parmesan cheese
- 2 cups mozzarella cheese
- 1 tsp garlic parsley salt
Instructions
- Preheat your oven to 350°F (180°C).
- Wash and slice zucchini and squash into ½-inch rings.
- Arrange the vegetable rings in a shallow baking dish.
- In a mixing bowl, whisk together heavy cream, garlic parsley salt, and parmesan until smooth.
- Pour the creamy mixture evenly over the vegetables.
- Top with mozzarella cheese.
- Bake for 30 minutes or until golden brown and bubbly.
- Prep Time: 10 minutes
- Cook Time: 30 minutes
- Category: Main
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 290
- Sugar: 2g
- Sodium: 360mg
- Fat: 20g
- Saturated Fat: 12g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 14g
- Fiber: 2g
- Protein: 10g
- Cholesterol: 60mg