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Easy Roasted Zucchini and Squash Bake

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This Easy Roasted Zucchini and Squash Bake appears often in the summer months and then again for Thanksgiving. You’ll love this delectable dish that’s packed with flavors, is low-carb and healthy.

roasted zucchini and squash bake image with text overlay

I can’t even begin to tell you how much this easy Roasted Zucchini and Squash Bake recipe excites my taste buds. The recipe is ridiculously easy and is like four ingredients not counting the olive oil, salt and pepper. Its simplicity is wonderful but when roasting this combination of fresh vegetables something magical happens to the flavors. The result is amazing.

This is a great side dish for the summer months when zucchini and yellow squash are abundant but it’s also a perfect Thanksgiving side dish to serve. We love it and never tire of it or this cheesy tomato and yellow squash casserole.

Roasted Zucchini and Squash Bake in casserole dish

Why You’ll Love This Recipe

  • This easy roasted zucchini recipe with yellow summer squash is healthy and simple to make.
  • Simple seasonings and olive oil with Parmesan cheese are all you need to bring out all of the flavors of the vegetables.
  • It’s low-carb!
  • Great way to use up your garden vegetables in the summer.

Roasted Zucchini and Squash Bake

When I first made this recipe it was to use up quite a lot of the squash we had been gifted one summer. We must have had this zucchini casserole 4 times in a month. I also made a skillet meal with kielbasa and zucchini that we enjoyed very much. Since it was summer I grilled this sun-dried tomato grilled chicken with vegetables dish that totally was a hit. Anything we could do to use it, we tried.

Out of all the recipes, this was our favorite way to serve the vegetables. Simple yet darn tasty. You want to have the squashes be of about the same size to make the casserole look uniform but you do what you have to and I did have to cut some slices in half again to make them fit. Still delicious! Also, keep in mind that zucchini and squash have a high water content, so be sure to not overcook it.

This summer squash casserole is an easy side dish recipe that can easily be a main meal for lunch or dinner. It is also perfect as a side with a holiday meal.

close up of casserole dish with zucchini and yellow squash baked

What to Serve with Roasted Zucchini Squash Bake

I don’t think there really is anything that you can’t serve this casserole with. We love it as a side with Roasted Turkey, Oven Pot Roast, baked chicken bites, and these French Onion Smothered Pork Chops.

Equipment

  • cutting board
  • sharp knife
  • square baking dish (8×8 inch)

Ingredients

  • 3 zucchinis sliced into 1/4 inch slices
  • 3 yellow squashes sliced into 1/4-inch slices
  • 1 red onion sliced
  • 1 teaspoon kosher salt
  • 1 teaspoon pepper
  • 3 tablespoons olive oil
  • 1/4 cup shredded Parmesan cheese
ingredient for zucchini and squash bake

Steps to Make Roasted Zucchini and Squash Bake

Step 1

Preheat oven to 400 degrees. Spray an 8-inch square casserole dish or pan with non-stick spray.

Step 2

Assemble vegetables in a pattern, in rows, and drizzle olive oil on top. Sprinkle with salt and pepper. Top with Parmesan cheese.

add olive oil, seasonings, and Parmesan to vegetables and then bake

Step 3

Bake for 30 minutes, or until the vegetables are tender but not mushy. If desired, turn on the broiler for the last 5 or 6 minutes to crisp up the top. Serve immediately.

easy roasted squash casserole in brown dish
Enjoy this zucchini squash casserole as a main dish, too.

Tips, Tricks, and FAQs

  • Sometimes I add slices of Roma tomatoes with the other vegetables.
  • Add more Parmesan cheese if you like, or substitute crumbled Feta cheese.
  • Change up the seasonings with Italian seasoning, chili powder, or red pepper flakes, or use your favorite fresh herbs. Thyme works well with the summer squashes.
  • Add garlic powder or minced fresh garlic with the salt and pepper.
  • Store leftover zucchini and squash casserole in an airtight container in the fridge for up to 4 days.
roasted zucchini and squash bake with Parmesan cheese

Printable Recipe Card for Zucchini and Squash Bake

roasted zucchini and squash bake with Parmesan cheese

Roasted Zucchini and Squash Bake

This Easy Roasted Zucchini and Squash Bake appears often in the summer months and then again for Thanksgiving. You'll love this delectable dish that's packed with flavors, low-carb, and healthy.
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Course: Dinner
Cuisine: American
Keyword: roasted zucchini and squash bake, yellow squash, zucchini, zucchini squash bake
Prep Time: 15 minutes
Cook Time: 30 minutes
Total Time: 45 minutes
Servings: 6 servings

Equipment

  • cutting board
  • sharp knife
  • 8 x 8 inch baking dish

Ingredients

  • 3 zucchinis sliced into 1/4 inch slices
  • 3 yellow squashes sliced into 1/4 inch slices
  • 1 red onion sliced
  • 1 tsp kosher salt
  • 1 tsp pepper
  • 3 tbsp olive oil
  • 1/4 cup shredded Parmesan cheese

Instructions

  • Preheat oven to 400 degrees. Spray an 8-inch square casserole dish or pan with non-stick spray.
  • Assemble vegetables in a pattern, in rows, and drizzle olive oil on top. Sprinkle with salt and pepper. Top with Parmesan cheese.
  • Bake for 30 minutes, or until the vegetables are tender but not mushy. If desired, turn on the broiler for the last 5 or 6 minutes to crisp up the top. Serve immediately.

Nutritional Disclaimer

“Blogghetti” is not a dietician or nutritionist, and any nutritional information shared is an estimate. If calorie count and other nutritional values are important to you, we recommend running the ingredients through whichever online nutritional calculator you prefer. Calories and other nutritional values can vary quite a bit depending on which brands were used.

Roasted Zucchini and Squash Bake in casserole dish overhead shot

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5 Comments

  1. I grocery shop by myself–it’s always been my “me” time. But, like you, I find it frustrating lately with high prices.

    I love the way you’ve arranged the vegetables in this dish. You’ve turned your bargain into a beautiful dish…holiday table worthy! Thank you for sharing with See Ya in the Gumbo this week!