This quick sheet pan side dish combines roasted zucchini and bursting cherry tomatoes with a savory parmesan crust. It is a healthy, nutrient-dense option that takes only 30 minutes from preparation to table.

List of ingredients
- 2 lbs zucchini – quartered lengthwise and cut into 3 to 4 inch pieces
- 1 lb cherry tomatoes – halved for faster roasting
- 3 garlic cloves – minced finely for even distribution
- 1/2 cup shredded parmesan – use a variety made with microbial rennet
- 1 teaspoon Italian seasoning – a blend of dried oregano, basil, and rosemary
- 1 teaspoon coarse salt – to enhance the natural vegetable flavors
- 1/2 teaspoon ground black pepper – for a subtle spicy kick
- 1 tablespoon extra virgin olive oil – helps browning and prevents sticking
- Fresh parsley and thyme leaves – roughly chopped for a fresh garnish
step-by-step instructions
- Preheat and Prepare: Heat your oven to 400ยฐF and grease a large rimmed baking sheet to prevent the cheese from sticking to the surface.
- Combine Ingredients: In a large mixing bowl, toss the zucchini pieces, halved tomatoes, minced garlic, parmesan, Italian seasoning, salt, pepper, and olive oil until every piece is well coated.
- Arrange on Pan: Spread the mixture in a single, even layer on the prepared baking sheet to ensure all vegetables roast uniformly.
- Roast: Bake in the center rack for 20-25 minutes until the zucchini is tender when pierced with a fork.
- Brown the Cheese: Switch the oven to high broil for 2-3 minutes until the parmesan becomes golden brown and bubbly.
- Finish and Serve: Remove from the oven, garnish with freshly chopped parsley and thyme, and serve while warm.
Selecting the Best Zucchini
Choose Firm Zucchini
When shopping, pick zucchini that feels firm to the touch. Avoid any specimens that have soft spots or yield under light pressure, as this indicates they are overripe or beginning to spoil.
Avoid Overly Large Zucchini
Medium-sized zucchini are preferable for roasting because they have smaller seeds and a tighter texture. Very large zucchini often contain more water and larger seeds, which can lead to a mushy result after baking.
Check for Skin Integrity
Ensure the skin is deep green and free of blemishes or punctures. Damaged skin can allow bacteria to enter and may cause the vegetable to wilt faster during the roasting process.
Parmesan Substitutions and Options
Pecorino Romano Alternative
Pecorino Romano can be used as a substitute for parmesan if you prefer a saltier, sharper flavor profile. If using Pecorino, slightly reduce the added coarse salt in the recipe to maintain balance.
Nutritional Yeast for Dairy-Free
For a plant-based alternative, replace the parmesan with nutritional yeast. This provides a similar nutty and cheesy flavor while keeping the dish entirely dairy-free.
Using Grated vs Shredded Cheese
Shredded parmesan creates small, toasted clumps of cheese on the zucchini, while finely grated parmesan creates a more uniform crust. Both are acceptable, though shredded cheese typically provides more visual texture.
Tomato Varieties for Roasting
Grape Tomatoes
Grape tomatoes are a great alternative to cherry tomatoes because they have a slightly firmer structure. They hold their shape better during the roasting process and offer a more concentrated sweetness.
Yellow Cherry Tomatoes
Mixing red and yellow cherry tomatoes adds visual appeal to the dish. Yellow varieties often have a milder, fruitier taste that complements the savory garlic and parmesan.
Sun-Gold Tomatoes
Sun-Gold tomatoes are exceptionally sweet and burst easily in the oven. Using these will create a natural sauce on the baking sheet that flavors the zucchini spears.
Cooking and Roasting Techniques
Preventing Soggy Zucchini
Avoid overcrowding the baking sheet, as this causes the vegetables to steam instead of roast. Ensure there is enough space between the pieces so that moisture can evaporate quickly.
Achieving the Perfect Broil
Keep a close eye on the oven during the broiling stage. Because parmesan has a high fat content, it can go from golden brown to burnt in a matter of seconds.
Using Parchment Paper
While greasing the pan works, lining the sheet with parchment paper makes cleanup much easier. It also prevents the cheese from sticking to the metal, ensuring the crust stays on the vegetable.
Serving Suggestions
Pairing with Grilled Proteins
This dish pairs exceptionally well with grilled salmon, lemon-herb chicken, or tofu steaks. The acidity of the roasted tomatoes cuts through the richness of grilled proteins.
Adding as a Pasta Topping
Toss the roasted zucchini and tomatoes with cooked penne or farfalle pasta. Add a splash of pasta water and extra parmesan to create a light, vegetable-forward meal.
Serving as a Low-Carb Main
For a low-carb or ketogenic meal, serve this dish with a side of sliced avocado or a dollop of Greek yogurt. The combination of fats and vegetables makes it filling enough for a main course.
Storage and Preservation
Refrigeration Guidelines
Store leftovers in an airtight container in the refrigerator for up to 3-4 days. Keep the garnish separate until serving to prevent the herbs from wilting.
Container Selection
Glass containers are preferable to plastic for storing roasted vegetables. Glass does not absorb the smell of garlic and olive oil and helps maintain the freshness of the zucchini.
Freezing Considerations
Roasted zucchini does not freeze well because its high water content destroys the cellular structure during freezing. Upon thawing, the zucchini will become watery and limp, so it is best enjoyed fresh.
Reheating Instructions
Oven Reheating Method
To maintain the crispness of the cheese, reheat the vegetables in an oven at 350ยฐF for about 10 minutes. This is the best way to restore the texture without making the zucchini mushy.
Air Fryer Reheating
Place the leftovers in an air fryer at 375ยฐF for 3-5 minutes. This method is the fastest way to get the parmesan crust bubbly and crisp again.
Avoiding Microwave Sogginess
Microwaving roasted vegetables often leads to a rubbery texture and soggy cheese. If you must use a microwave, heat on medium power in short bursts to avoid overcooking.
Make-Ahead Strategies
Pre-cutting the Vegetables
You can cut the zucchini and halve the tomatoes up to 24 hours in advance. Store them in separate containers or bags in the refrigerator to keep them crisp.
Mixing the Seasoning
Combine the Italian seasoning, salt, pepper, and parmesan in a small bowl or jar beforehand. This allows you to quickly toss the seasoning with the fresh vegetables when you are ready to cook.
Preparation Timeline
Avoid tossing the vegetables in oil and salt until right before they go into the oven. Salting early draws moisture out of the zucchini, which prevents them from browning properly.
Troubleshooting Common Issues
Zucchini Cooking Too Slowly
If the zucchini is not softening, check your oven temperature with a thermometer. Ensure the oven was fully preheated to 400ยฐF before the pan was inserted.
Cheese Burning Too Quickly
If the cheese browns before the zucchini is tender, lower the oven rack. Moving the pan to the middle or lower rack reduces the direct heat from the top broiler.
Excess Water on the Pan
If you notice too much liquid on the baking sheet, pat the zucchini dry with a paper towel after cutting. You can also slightly increase the roasting time to evaporate the excess moisture.
Frequently Asked Questions
Can I use frozen zucchini?
Using frozen zucchini is not recommended for this recipe. Frozen zucchini releases a significant amount of water during cooking, which will prevent the cheese from crisping and result in a soggy dish.
Is it okay to use dried parsley instead of fresh?
Dried parsley can be used, but it should be mixed in with the other seasonings before roasting. Fresh parsley is preferred as a garnish because it adds a bright, clean flavor that balances the roasted garlic.
Can I roast this with other vegetables?
Yes, bell peppers, asparagus, or red onion can be added to the pan. Ensure these vegetables are cut to a similar size as the zucchini so they cook at the same rate.
What if I don’t have Italian seasoning?
You can make a substitute by mixing equal parts dried oregano, dried basil, and dried thyme. A pinch of garlic powder can also be added for extra depth.
Should I peel the zucchini?
There is no need to peel the zucchini for this recipe. The skin provides structure and contains most of the nutrients, and it helps the zucchini hold its shape during roasting.
Can I use a different oil?
Avocado oil or light olive oil are suitable replacements for extra virgin olive oil. These oils have a higher smoke point, which is beneficial for high-temperature roasting.
Print
Cheesy Roasted Zucchini and Cherry Tomatoes
- Total Time: 30 minutes
- Yield: 4–6 servings 1x
- Diet: Vegetarian
Description
30 minute oven roasted zucchini spears and cherry tomatoes tossed in olive oil, garlic, parmesan and herbs.
Ingredients
- 2 lbs zucchini, quartered lengthwise and cut into 3 to 4 inch pieces
- 1 lb cherry tomatoes, halved
- 3 garlic cloves, minced
- 1/2 cup shredded parmesan
- 1 teaspoon Italian seasoning
- 1 teaspoon coarse salt
- 1/2 teaspoon ground black pepper
- 1 tablespoon extra virgin olive oil
- Fresh parsley and thyme leaves, roughly chopped for garnish
Instructions
- Preheat: Preheat oven to 400ยฐF. Grease a large rimmed baking sheet.
- Toss: Toss all ingredients together and spread in an even layer on the prepared baking sheet.
- Bake: Bake for 20-25 minute until zucchini is tender. Broil on high for 2-3 minutes until cheese starts to brown.
- Finish: Remove from heat. Garnish with fresh parsley and thyme. Serve warm.
Notes
Quick, easy, healthy side dish requiring only one sheet pan for easy prep and cleanup.
- Prep Time: 5 minutes
- Cook Time: 25 minutes
- Category: Side Dish
- Method: Roasting
- Cuisine: Italian-American
Nutrition
- Serving Size: 1 serving
- Calories: 120 kcal
- Sugar: 4 g
- Sodium: 480 mg
- Fat: 7 g
- Saturated Fat: 3 g
- Unsaturated Fat: 4 g
- Trans Fat: 0 g
- Carbohydrates: 9 g
- Fiber: 3 g
- Protein: 6 g
- Cholesterol: 15 mg