Zucchini & Squash Casserole

Healthy, simple, and fabulous, this Zucchini & Squash Casserole is the best healthy recipe for summer squash. This easy casserole shines at summer picnics and potlucks, making it a perfect side dish for any holiday dinner. Its blend of flavors and textures will impress family and friends while keeping your meal light and nutritious.

Why You’ll Love This Recipe

  • Quick Preparation: With only 15 minutes of prep time, this casserole comes together effortlessly.
  • Flavorful Layers: The combination of zucchini, yellow squash, and savory toppings creates a deliciously satisfying dish.
  • Versatile Side Dish: Perfect for barbecues, holiday dinners, or a cozy family meal.
  • Healthy Ingredients: Packed with vegetables and low in calories, it’s a guilt-free addition to your menu.
  • Crowd-Pleasing: This dish appeals to both veggie lovers and those who may be less enthusiastic about greens.

Tools and Preparation

Before you start cooking your Zucchini & Squash Casserole, gather these essential tools to make the process smooth and enjoyable.

Essential Tools and Equipment

  • Non-stick cooking spray
  • 9-inch square baking dish
  • Cutting board
  • Sharp knife
  • Small mixing bowl

Importance of Each Tool

  • Non-stick cooking spray: Ensures easy removal of the casserole from the dish without sticking.
  • Baking dish: A 9-inch square dish is perfect for even cooking and serving.
  • Sharp knife: A good knife makes slicing the zucchini and squash quick and safe.
Zucchini

Ingredients

Here are the ingredients you’ll need for your Zucchini & Squash Casserole:

For the Vegetables

  • 2 lbs. summer squash (zucchini and yellow squash, cut into ¼-inch slices)

For the Seasoning

  • 2 ½ Tbsp. olive oil
  • 1 ¼ tsp. salt (divided)
  • ½ tsp. pepper

For the Topping

  • ⅓ cup Parmesan cheese (grated)
  • ⅓ cup Panko breadcrumbs (gluten-free)
  • ¼ tsp. garlic powder
  • 2 Tbsp. fresh parsley (finely chopped)

How to Make Zucchini & Squash Casserole

Step 1: Preheat the Oven

Preheat your oven to 350 degrees Fahrenheit. This ensures that your casserole cooks evenly.

Step 2: Prepare the Vegetables

  1. Cut the yellow squash and zucchini into thin, ¼-inch slices.
  2. Sprinkle ½ teaspoon salt over the sliced vegetables. Let them sit for about 10 minutes to draw out moisture. Afterward, dab them with a paper towel to remove excess liquid.

Step 3: Assemble the Casserole

  1. Spray your 9-inch square baking dish with non-stick cooking spray.
  2. Arrange the zucchini and squash slices in overlapping rows in the baking dish—aim for about four rows if possible.
  3. Drizzle olive oil over the layered vegetables. Sprinkle with remaining salt and pepper.

Step 4: Add Topping

  1. In a small mixing bowl, combine Parmesan cheese, Panko breadcrumbs, and garlic powder. Toss them together until well mixed.
  2. Sprinkle this mixture evenly over the zucchini and squash layers.

Step 5: Bake

  1. Cover the baking dish with aluminum foil.
  2. Bake in the preheated oven for 30 minutes.

Step 6: Broil for Finish

  1. Remove the foil after baking.
  2. Set your oven to high broil mode.
  3. Broil for an additional 5-7 minutes or until the breadcrumb topping turns golden brown.

Step 7: Serve

Garnish with freshly chopped parsley before serving immediately. Enjoy this delightful Zucchini & Squash Casserole!

How to Serve Zucchini & Squash Casserole

Zucchini & Squash Casserole is a versatile dish that can complement various meals. Here are some delightful serving suggestions to enhance your dining experience.

As a Standalone Dish

  • Enjoy the casserole on its own for a light and healthy meal. It’s packed with flavor and nutrients.

With Grilled Chicken

  • Pair the casserole with grilled chicken breast for a balanced meal. The smoky flavor of the chicken complements the freshness of the zucchini and squash.

Alongside Quinoa Salad

  • Serve with a refreshing quinoa salad, adding texture and protein to your meal. A lemon vinaigrette can elevate this combination.

With Garlic Bread

  • Offer garlic bread on the side for a delicious crunch. The buttery, garlicky flavors enhance the casserole’s taste beautifully.

As Part of a Potluck Spread

  • Bring this casserole to potlucks or gatherings. It’s sure to be a crowd-pleaser and can easily serve multiple guests.

Topped with Fresh Herbs

  • Garnish with extra fresh parsley or basil before serving. This adds a pop of color and enhances the dish’s fresh flavors.

How to Perfect Zucchini & Squash Casserole

Creating the perfect Zucchini & Squash Casserole is easy with these simple tips. Follow these guidelines for an even more delicious result!

  • Choose Fresh Produce: Select firm zucchini and summer squash for the best flavor and texture.
  • Slice Evenly: Cut vegetables into uniform ¼-inch slices to ensure even cooking throughout.
  • Dry Thoroughly: Dab excess moisture from sliced vegetables to prevent sogginess in your casserole.
  • Experiment with Cheese: Swap Parmesan with your favorite cheese varieties like mozzarella or cheddar for different flavor profiles.
  • Add Extra Veggies: Incorporate additional vegetables such as bell peppers or spinach for added nutrition and flavor.
  • Adjust Seasonings: Taste before baking and adjust salt, pepper, or herbs according to your preference.

Best Side Dishes for Zucchini & Squash Casserole

Zucchini & Squash Casserole pairs well with various side dishes. Try one of these options to create a well-rounded meal.

  1. Grilled Asparagus: Lightly seasoned asparagus adds a crunchy texture that complements the softness of the casserole.
  2. Roasted Potatoes: Crispy roasted potatoes provide hearty satisfaction while balancing lighter dishes like this casserole.
  3. Mixed Green Salad: A fresh salad with mixed greens, cucumbers, and tomatoes offers a refreshing contrast to the baked flavors.
  4. Steamed Broccoli: Bright green broccoli adds color and nutrition while being easy to prepare alongside any main dish.
  5. Rice Pilaf: Flavorful rice pilaf enhances the meal’s heartiness and absorbs any delicious juices from the casserole.
  6. Corn on the Cob: Sweet corn brings summer vibes to your table, making it an excellent companion for this seasonal dish.

Common Mistakes to Avoid

When making Zucchini & Squash Casserole, it’s easy to make a few common mistakes. Here’s how to avoid them for the perfect dish.

  • Boldly adding too much salt – Over-salting can ruin your casserole. Stick to the recommended measurements for balanced flavor.
  • Ignoring moisture removal – Not removing excess moisture from the zucchini and squash can lead to a soggy casserole. Always dab the slices after salting.
  • Skipping the broil step – Broiling gives your casserole a nice golden top. Don’t skip this step if you want that crispy finish!
  • Using the wrong baking dish – A 9-inch square dish is ideal for even cooking. Using a different size may affect cooking time and texture.
  • Not letting it rest before serving – Allowing the casserole to sit for a few minutes after baking helps it set up better for serving.
Zucchini

Storage & Reheating Instructions

Refrigerator Storage

  • Store leftover Zucchini & Squash Casserole in an airtight container.
  • It will last up to 3-4 days in the refrigerator.

Freezing Zucchini & Squash Casserole

  • Wrap the casserole tightly in plastic wrap or foil before placing it in a freezer-safe container.
  • It can be frozen for up to 2-3 months.

Reheating Zucchini & Squash Casserole

  • Oven – Preheat your oven to 350°F (175°C) and bake until heated through, about 15-20 minutes.
  • Microwave – Place individual portions on a microwave-safe plate and reheat for 1-2 minutes or until hot.
  • Stovetop – Heat on medium-low in a skillet with a splash of broth or water until warmed through.

Frequently Asked Questions

Here are some common questions about making Zucchini & Squash Casserole.

Can I use other vegetables in my Zucchini & Squash Casserole?

Yes! Feel free to add vegetables like bell peppers, onions, or even spinach for extra flavor and nutrition.

How can I make my Zucchini & Squash Casserole vegan?

To make it vegan, simply substitute Parmesan cheese with a plant-based cheese alternative or nutritional yeast.

What toppings can I use for my Zucchini & Squash Casserole?

You can customize your casserole with breadcrumbs, crushed crackers, or different types of cheese according to your taste preferences.

How do I know when my Zucchini & Squash Casserole is done?

The casserole is done when the top is golden brown and the vegetables are tender. You can test tenderness by piercing with a fork.

Final Thoughts

Zucchini & Squash Casserole is not only healthy but also versatile. Perfect as a side dish or main course, you can easily customize it with different herbs, spices, or veggies. Try this recipe at your next gathering or family meal!

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Zucchini & Squash Casserole

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Experience the vibrant flavors of summer with this delightful Zucchini & Squash Casserole. Bursting with fresh vegetables and a crispy topping, this healthy dish is a must-have for gatherings, potlucks, and family dinners. With its quick preparation time and nutritious ingredients, you can enjoy a guilt-free meal that satisfies both veggie lovers and those less inclined towards greens. This casserole not only elevates your dining experience but also offers versatility—serving well as a standalone dish or alongside grilled chicken or quinoa salad. Celebrate the season’s bounty with this easy-to-make recipe that’s sure to impress!

  • Author: Brianna
  • Prep Time: 15 minutes
  • Cook Time: 37 minutes
  • Total Time: 52 minutes
  • Yield: Serves about 8 people 1x
  • Category: Side Dish
  • Method: Baking
  • Cuisine: American

Ingredients

Scale
  • 2 lbs summer squash (zucchini and yellow squash)
  • 2 ½ Tbsp olive oil
  • 1 ¼ tsp salt (divided)
  • ½ tsp pepper
  • ⅓ cup grated Parmesan cheese
  • ⅓ cup gluten-free Panko breadcrumbs
  • ¼ tsp garlic powder
  • 2 Tbsp fresh parsley (finely chopped)

Instructions

  1. Preheat oven to 350°F.
  2. Slice zucchini and yellow squash into ¼-inch pieces. Sprinkle with ½ tsp salt; let sit for 10 minutes to draw out moisture, then dab dry.
  3. Spray a 9-inch square baking dish with non-stick cooking spray. Layer the squash in overlapping rows.
  4. Drizzle olive oil over layered vegetables; season with remaining salt and pepper.
  5. In a bowl, combine Parmesan cheese, Panko breadcrumbs, and garlic powder; sprinkle over the casserole.
  6. Cover with foil and bake for 30 minutes.
  7. Remove foil; broil on high for an additional 5-7 minutes until golden brown.
  8. Garnish with parsley before serving.

Nutrition

  • Serving Size: Approximately 140g
  • Calories: 135
  • Sugar: 3g
  • Sodium: 380mg
  • Fat: 8g
  • Saturated Fat: 2g
  • Unsaturated Fat: 5g
  • Trans Fat: 0g
  • Carbohydrates: 13g
  • Fiber: 3g
  • Protein: 4g
  • Cholesterol: 6mg

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