Baked Zucchini, Broccoli, Pepper and Mushrooms

These roasted zucchini, broccoli, peppers, onions and mushrooms are one of the quickest, easiest and healthiest recipes you can throw together, and mmmmm... are they so good!! One of the best ways to enjoy veggies even for vegetable haters. The flavor combination is really lovely.
Baked Zucchini, Broccoli, Pepper and Mushrooms


  • 1 zucchini (sliced and quartered)
  • 1 yellow squash (sliced and quartered)
  • 2 cups broccoli (cut into florets)
  • 1/2 onion (red, chopped)
  • 1 bell pepper (chopped)
  • 5 ounces mushrooms (cut in halves or quarters)
  • 2 tablespoons balsamic vinegar
  • 2 tablespoons avocado oil
  • 1 1/4 teaspoon thyme
  • salt
  • pepper
Prep time:
10 minutes
Cook time:
13 minutes
Total time:
23 minutes
Yield: 5 servings | Prep time: 10 minutes | Cook time: 13 minutes | Total time: 23 minutes


1. Preheat oven to 420F (210C).
2. Place zucchini, squash, broccoli florets, onion, pepper and mushrooms in a medium baking dish.
3. Season with salt and pepper. Add avocado oil, balsamic vinegar and thyme. Toss to combine.

4. Bake in the preheated oven for about 13 minutes, until tender but slightly crisp. Enjoy!

Products I recommend for this recipe

Avocado Oil

Avocado Oil

Balsamic Vinegar

Balsamic Vinegar

Baby Bella Mushrooms

Baby Bella Mushrooms

Bell Pepper

Bell Pepper

Note: This post may contain affiliate links for products I like. As an Amazon Associate I earn from qualifying purchases. This means that if you click on a link and make a purchase, I'll earn some coffee money at no cost to you, which I promise to drink while creating more helpful recipes like this ;) Thank you for supporting My Delicious Meals!


Add Comment


Guest October 11, 2020 6:54 PM
This recipe is a keeper! Very easy to make and delicious.

So fast and easy

Guest August 7, 2020 9:28 AM
I was searching for a way to use up my veggies, and found this recipe, that used EXACTLY the veggies I needed to use up. After cooking 13 minutes, I stirred and cooked for another 5 mins, and the veggies were cooked to where I like them. I had this as my dinner, so I added just a little parmesan cheese and marinara sauce, and it was delicious as a main entree. Felt good to eat such a healthy meal satisfying meal. Thanks for keeping it simple, this will always be my go to if I need to use up veggies, as you could use anything you have in the fridge.

Garden veggies

Guest June 28, 2020 11:06 AM
Very tasty and crispY veggies used fresh lemons instead of balsamic vinegar

Awesome recipe

Guest April 15, 2018 6:44 PM
It's very quick and easy and HEALTHY!!

Guest December 28, 2017 9:06 PM
I did not have broccoli on and but I had the other ingredients and made this. I also added chopped celery, yellow and orange peppers. This is soooo yummy!! I plan to make this again and again. Especially when I entertain. Thank you for a great recipe!

Guest September 25, 2017 5:23 PM
Love this veggie filled recipe! The colors are beautiful and it looks so easy!

Guest September 23, 2017 8:38 PM
This looks yummy! I love anything baked so this recipe sounds great.

Guest September 22, 2017 9:28 AM
What a delicious looking side dish! When thinking about eating healthy, it's meals that include a number of beautiful vegetables like this that are real winners. Thanks so much for sharing this recipe inspiration. :-)

Vy Nguyen

Guest September 22, 2017 8:13 AM
In Asia, people rarely eat roasted vegetables. However, I really want to try it and change my flavor. Thanks for giving us the recipe to make the dish.

Anne Yedlin

Guest September 21, 2017 11:08 PM
This looks really good. I'm not much for Zucchini but I'd be willing to try it in this recipe!

Lavanda Michelle

Guest September 21, 2017 7:46 PM
What pretty colors. Like me, my family enjoy color meals and I love how healthy and budget friendly it is, considering my sister grows them all. Lavanda Michelle

Guest September 21, 2017 7:08 PM
This recipe is really great. All of the ingredients can come fresh from the garden!

Dena S

Guest September 21, 2017 12:00 PM
Wow! This is mouthwatering! I love the color and everything in it. Thank you for this recipe!


Guest September 21, 2017 6:54 AM
Love veggies and this combination not only sounds delicious but is also so easy to make. Can't wait to try this recipe!


Guest September 20, 2017 10:21 PM
This looks delicious. I would make this for my family. I don't have most of the fresh veggies on hand but would like to try this out. Saving for my grocery trip!

Guest September 20, 2017 9:37 PM
Oh yum, this looks fabulous. I'd just have to leave the mushrooms out. I never got a taste for them. But everything else? Yum!

Jen Walker

Guest September 20, 2017 9:14 PM
Yum! I really enjoy veggies and this is something I would love! I just picked the last of my zucchini and I think I have to make this!

Guest September 20, 2017 8:09 PM
YAY! I am a vegetarian and the freshness and colors of this dish make me happy. Sounds very tasty!

Guest September 20, 2017 1:45 PM
When you roast veggies, it somehow brings out the sweetness in them - I LOVE roasted veggies. Will try it next time with your seasonings/dressing. Sarah

Sarah Bailey

Guest September 20, 2017 1:41 PM
Oh now this sounds so good, what a lovely mix of flavours and colours have gone into it. I would love to try it for myself.

Terri Ramsey Beavers

Guest September 20, 2017 1:25 PM
All of those beautiful and colorful veggies are making me drool. I love everything in this dish and bet my family would too.

Thank you for a fabulous recipe!

Guest April 11, 2022 10:24 PM
I took this vegetable dish, and started it out. It was delicious. But because I was cooking as an entree for 2 hungry men as well as myself, I turned it into an impossible pie recipe with lots of eggs and some cheese to make a little more protein, and the baking mix and milk provided some nice breadiness to the meal. It was so good! What a great mash up. Your wonderful combination with the vegetables and the light balsamic dressing just made it great!

alenatrs April 12, 2022 9:35 AM
You’re most welcome! I'm glad you enjoyed the zucchini, broccoli, pepper and mushrooms combination! - Alena

Just made this!!

Guest February 23, 2022 6:16 AM
Thanks for sharing this recipe! I was so worried it would burn and it didn’t!! It took 15 mins at 210!! Perfect for reheating them during the week in the microwave:) I used broccoli, capsicum, cherry tomatoes and mushrooms with Safflower Oil, White Wine vinegar & Thyme

alenatrs February 24, 2022 10:10 PM
You're welcome! Agree, they're great even after reheating. Thank you for sharing your wonderful comment! - Alena

Zucchini broccoli mushrooms peppers casserole

Guest February 22, 2022 7:23 PM
Very good and tasty

alenatrs February 24, 2022 10:08 PM
I'm glad you enjoyed these veggies ;) - Alena

Trying tonight for the first time!

Guest February 14, 2022 1:04 PM
Thank you! This looks just like what I was hoping for. Very appreciated 🙏

alenatrs February 15, 2022 11:06 AM
You're very welcome! Hope you'll like these veggies as much as we do ;) - Alena

Fast and Healthy

Guest August 10, 2021 11:51 PM
Made this recipe, and it is fast , healthy and very tasty. Thank you.

alenatrs August 12, 2021 9:44 PM
Thank you for the great comment and feedback! - Alena

Crunchy and flavorful

Guest February 27, 2021 9:13 AM
Stir frying veggies often adds sugary sauces and results in soggy zucchini. This recipe is is so healthy and yummy. Just what I was looking for. Thanks!

alenatrs March 1, 2021 9:10 AM
Great that you enjoyed this recipe! I also like that the veggies stay crunchy this way :) thank you for leaving the review! - Alena

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