Enjoy beautifully caramelized brown roasted zucchini topped with cheese and seasonings!
So, you have tried all the zucchini recipes, but there is still so much zucchini left in your refrigerator? We all have been in this situation. And I know just the right way to use all the leftover zucchini in the fridge. You can make delicious oven-roasted parmesan zucchini.
You can make oven-roasted zucchini with parmesan in many ways, but this particular version is my absolute favorite. Why? Because it literally gets the zucchini prepared in less than 30 minutes. And the ingredients are easily available in the kitchen.

The ingredients used for making oven-roasted zucchini and mushrooms are super simple yet very flavorful. That’s why I prepare zucchini this way around the year. Baking makes this green veggie delicious and quite addictive.
Oven-baked zucchini has become a no-brainer vegetable side dish that I always prepare during summertime. Oven-roasted squash zucchini is a side dish that is easy to prepare, tastes delicious, and is quite healthy.
I love the caramelized oven-roasted zucchini spears so much that I always end up eating half of the batch that I prepare. I hope you will try this oven-roasted zucchini recipe and love it as I do.
Scroll down to learn how roasted zucchini is made in the oven.
Steps to Make Oven-Roasted Zucchini Slices
Oven-roasted zucchini gets prepared in just 20 minutes. So, there’s hardly any scope to mess up the flavors. Follow this recipe step-by-step to recreate the magic at your home.
To make oven-roasted zucchini, take 2 zucchini. Wash them under running water and plate them on a chopping board. Thinly slice zucchini in even shapes and arrange them on a baking tray with parchment paper.
Season zucchini slices with salt and pepper. Drizzle olive oil and bake the slices for 20-25 minutes. Let it cool, and serve it with your favorite dish.
Tips to Bake Zucchini Slices
- To make oven-roasted zucchini, try using smaller and medium veggies. Skip the jumbo ones, as they won’t turn that juicy.
- Carefully cut zucchini into even slices and bake them evenly.
- Avoid over-baking zucchini slices, as the veggie will lose its flavor and texture. It will become soggy instead of turning crispy.
- Season zucchini slices before and after baking to give it an amazing flavor. You can also sprinkle fresh herbs and cheese after the slices are baked.
Possible Variations of Crispy Roasted Zucchini Slices
- You can infuse more flavors into your baked zucchini by adding herbs like rosemary, basil, thyme, parsley, and oregano. Fresh herbs taste better than dried herbs.
- Replace fresh garlic with garlic powder for a better flavor.
- If you don’t have parmesan cheese, you can also use Roman cheese.
- This recipe tastes better with yellow squash as well.
- Put lemon zest or lemon juice on top of the cheese to get a pop of flavor.
- You can thinly slice other veggies like peppers and onions along with zucchini. Bake a mixture of veggies and enjoy them with your favorite side dish.
- Why don’t you air fry them if you don’t want to roast zucchini slices? Air fry the slices for 5 minutes at 450 degrees. Turn the slice and cook for another 5 minutes.
Delicious Roasted Zucchini in Oven
This roasted zucchini oven recipe has become a staple at my home. By preparing zucchini this way, you can turn the bland and boring veggie into something delicious.
With simple and fresh ingredients, you can prepare a quick weekend dinner. It is one of the best ways to make kids eat more veggies. No matter if you want to try oven-roasted zucchini slices as a main dish or side dish, prepare it my way to recreate the exact flavors.
How to avoid soggy zucchini?
Oven-roasted zucchini and carrots are soft, but they shouldn’t be soggy. If you don’t want your veggie to turn soggy, roast it, not bake it. When zucchini is roasted at a higher temperature, it gets charred and does not turn soggy.
Avoid crowing the baking tray with zucchini slices. Keep plenty of space between the veggie pieces. It will allow the moisture to evaporate instead of getting trapped inside zucchini slices. Lastly, check your veggie at regular intervals so it doesn’t get overcooked.
What to serve with roasted zucchini?
If you serve oven-roasted carrots and zucchini as a side dish, pair them with grilled steak, salmon, grilled chicken, or baked fish.
How long does it take to bake zucchini slices?
Thinly cut zucchini slices topped with cheese should be baked for about 20 minutes at 350 degrees. At this temperature, veggie slices will become softer and juicier.
Do I need to peel zucchini before slicing?
As zucchini has thin skin, peeling it before slicing it is unnecessary. Upon baking, the zucchini skin turns crispy and yummy.
How to store leftover zucchini slices?
Transfer the slices into an airtight container if you have made zucchini slices in a larger batch. This way, zucchini will stay fresh for up to 4 days.
Preparation Time: 10 minutes
Cooking Time: 30-35 minutes
Total Time: 40 minutes
Serving: 2 people
Ingredients to Make Oven Roasted Zucchini and Summer Squash
- 2 zucchinis, diced
- Salt and pepper to taste
- 2 tablespoons olive oil
- 2 oz grated parmesan cheese

Instructions
- First, arrange the zucchini slices on a baking sheet lined with parchment paper.
- Then season with salt and pepper to taste and drizzle with olive oil.
- Bake in an already heated oven at 350 F or 180 C for about 20 – 25 minutes.
- Serve and enjoy.
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