How to Grill Zucchini and Squash: Easy Steps for Perfect Results

Discover the simple yet delicious method of grilling zucchini and squash, perfect for a healthy and tasty addition to your summer cookouts.

Summer is here and it’s time to fire up the grill! While burgers and hot dogs may be a classic choice, why not switch things up with some grilled veggies? Zucchini and squash are the perfect addition to any BBQ spread. Not only are they healthy and delicious, but they’re also easy to prepare on the grill.

Whether you’re a seasoned grilling pro or a newbie looking to impress your guests, this guide will show you how to perfectly grill zucchini and squash every time. So grab your tongs, light up the charcoal, and let’s get grilling!

Choosing the Right Squash and Zucchini

how to grill zucchini and squash easy steps for perfect results

When it comes to grilling zucchini and squash, choosing the right vegetables is key. Look for firm, unblemished produce that feels heavy for its size.

Smaller zucchinis and squashes tend to be more tender and flavorful than larger ones. If possible, opt for organic or locally grown varieties as they often have a better taste.

Another thing to consider when selecting your veggies is their shape. Straighter zucchinis are easier to slice into even pieces while crooked ones may require some extra effort with the knife.

Lastly, don’t forget about yellow squash! This variety has a slightly sweeter flavor than green zucchini and can add some beautiful color contrast on the grill alongside its green counterpart.

Prepping Squash and Zucchini

Begin by washing the vegetables thoroughly under running water. Then, using a sharp knife or vegetable peeler, remove the stem and blossom ends of each vegetable.

Next, decide how you want to cut your zucchini and squash for grilling. You can slice them into rounds or spears/strips depending on what works best for your recipe.

If slicing into rounds: Cut off both ends of the zucchini/squash then slice crosswise in 1/4 inch thick slices.

If cutting into spears/strips: Slice lengthwise down one side of each veggie then turn it over so that flat side is facing down on cutting board; repeat with other sides until all four sides have been sliced off leaving only core behind; cut remaining pieces lengthwise again creating long strips/spears.

Once prepped, pat dry with paper towels before seasoning or marinating as desired.

How Thick Should You Slice the Zucchini and Squash?

Slicing them too thin can cause them to cook too quickly and become mushy, while slicing them too thick may result in undercooked vegetables that are tough to chew.

Aim for slices that are about 1/4 inch thick. This will allow the vegetables to cook evenly without becoming overdone or underdone.

If you prefer larger pieces of grilled zucchini and squash, consider cutting spears or strips instead of circles.

Remember that thicker slices will take longer to grill than thinner ones, so adjust your cooking time accordingly based on the size of your vegetable pieces.

Spears/strips Vs Circles

While circles are a classic choice for grilled veggies, spears or strips may be more practical depending on what you’re serving them with. Spears or strips are great if you plan on skewering them for kabobs or want to serve them as finger food at your next party.

On the other hand, circles work well if you’re planning on using the grilled veggies as a topping for burgers or sandwiches.

No matter which shape you choose, keep in mind that thicker slices will take longer to cook than thinner ones. If using spears/strips cut lengthwise into 1/4-inch thick pieces; this ensures even cooking and prevents overcooking while waiting for thicker parts of the vegetable to finish cooking through.

Marinating the Vegetables

While it’s not necessary, marinating can take your dish from good to great. The key is finding the right balance of flavors that complement the natural sweetness of these veggies.

To make a simple marinade, mix together olive oil, lemon juice or vinegar (such as balsamic), minced garlic, salt and pepper in a bowl. You can also add other herbs like thyme or rosemary for extra flavor.

Once you’ve made your marinade, place sliced zucchini and squash in a large resealable bag with the mixture. Make sure all pieces are coated evenly before sealing it up tightly.

Let them sit for at least 30 minutes before grilling.

Pro tip: Don’t let them marinate too long! Over-marinated vegetables will become mushy when cooked on high heat.

Seasoning the Zucchini and Squash

Seasoning is key to bringing out the natural sweetness of these vegetables while adding a depth of flavor that will have everyone coming back for seconds.

A simple seasoning of salt, pepper, and olive oil can go a long way in enhancing the taste of grilled zucchini and squash. You can also experiment with different herbs like thyme or rosemary for an earthy aroma or try sprinkling on some garlic powder for added zest.

If you’re feeling adventurous, consider making a spice blend specifically designed for grilling vegetables. A mix of cumin, paprika, chili powder and coriander will give your veggies a smoky southwestern flair.

Remember not to overdo it with seasonings as they should complement rather than overpower the natural flavors of the zucchini and squash.

Can You Use Different Herbs and Seasonings?

While salt and pepper are always a classic choice, why not experiment with different herbs and spices? Rosemary, thyme, oregano or basil can add an extra layer of flavor to your vegetables. You can also try using garlic powder or paprika for a smoky taste.

If you’re feeling adventurous, consider making a marinade for your veggies before grilling them. A simple mixture of olive oil, balsamic vinegar and honey is perfect for adding some sweetness to the dish.

Remember that when it comes to seasoning vegetables on the grill less is more! Over-seasoning can overpower their natural flavors so be sure not go overboard with any one ingredient.

Preheating the Grill

This will ensure that your zucchini and squash cook evenly and develop those beautiful char marks we all love. Preheating also helps to prevent sticking, making it easier to flip the vegetables without them falling apart.

To preheat your grill, turn on all burners or light up the charcoal and let it heat up for at least 10-15 minutes with the lid closed. This will allow enough time for the grates to get hot enough so that when you place your vegetables on them they sizzle immediately.

If you’re using a gas grill, make sure that all burners are set on high heat before closing down its lid while waiting for temperature buildup inside of its chamber; if using a charcoal grill then wait until coals have turned white-hot before placing food onto grate surface – this usually takes around 20-30 minutes depending upon how much fuel is used in lighting fire initially.

Skewering Vs. Grilling Directly

Both techniques have their advantages and disadvantages, so it’s important to choose the method that works best for you.

Skewering is a popular option because it keeps the vegetables from falling through the grill grates. It also makes flipping them easier since you can turn multiple pieces at once with tongs or a spatula.

However, skewers can be time-consuming to assemble and may require soaking in water beforehand if using wooden ones.

Grilling directly on the grill is another great option as long as your slices are thick enough not to fall through between grate bars. This method allows for more direct contact with heat which results in better caramelization of sugars present in zucchini/squash flesh leading into an enhanced flavor profile but requires more attention when turning each slice individually.

Grilling Techniques and Equipment

A grill with a lid is essential for creating that smoky flavor we all love. Charcoal grills are great for imparting a deep, rich flavor but require more time to heat up than gas grills.

Gas grills are convenient and easy to use but may not provide the same depth of flavor as charcoal.

Once you have your grill set up, it’s important to consider your cooking technique. Direct heat works well for smaller pieces of zucchini and squash while indirect heat is better suited for larger pieces or when using skewers.

Another important factor in achieving perfectly grilled vegetables is temperature control. Make sure you preheat your grill before adding the vegetables so they cook evenly without sticking or burning.

Proper Grilling Temperatures

If your grill is too hot, you risk burning your vegetables before they’re fully cooked. On the other hand, if it’s not hot enough, you’ll end up with soggy and undercooked veggies.

For best results when grilling zucchini and squash, preheat your grill to medium-high heat (around 375-400°F). This will give you a nice sear on the outside while allowing them to cook through without becoming mushy.

To ensure that your grill stays at a consistent temperature throughout cooking time, keep an eye on it as needed. Adjusting vents or adding more charcoal can help maintain proper temperatures for even cooking.

Cooking Times for Squash and Zucchini

As a general rule of thumb, sliced zucchini and squash that are about 1/4 inch thick will take around 2-3 minutes per side when grilled directly over medium-high heat. If using skewers, they may take slightly longer – around 5-7 minutes total – but this method can help prevent smaller pieces from falling through the grill grates.

It’s important to keep an eye on your vegetables while they’re cooking so that they don’t become too charred or burnt. You want them to be tender with some nice grill marks but not overly cooked where they turn mushy.

Checking for Doneness

Overcooked vegetables can become mushy and unappetizing, while undercooked veggies may be tough or crunchy. So how do you know when your grilled zucchini and squash are just right?

One way to check for doneness is by using a fork or tongs to gently press down on the vegetables. If they feel tender but still have some firmness, they’re likely done cooking.

Another method is by checking the color of the veggies – they should be lightly browned with grill marks but not burnt.

It’s also important to remember that different grills may cook at varying temperatures, so keep an eye on your veggies as they cook and adjust accordingly.

Zucchini and Squash Pairings

Grilled zucchini and squash can be served as a side dish or incorporated into salads, sandwiches, or pasta dishes. For a simple yet delicious pairing, try serving grilled zucchini and squash alongside grilled chicken or fish.

The mild flavor of the vegetables complements the savory taste of meat perfectly.

If you’re looking for something more adventurous, consider pairing your grilled veggies with bold flavors like feta cheese, olives, sun-dried tomatoes or roasted red peppers to add some Mediterranean flair to your meal.

For an Asian-inspired twist on this classic summer dish try adding soy sauce and sesame oil while grilling for an umami-rich flavor profile that pairs well with rice bowls.

Grilled zucchini and squash also make great toppings for pizzas! Simply slice them thinly before grilling then add them onto your pizza along with other toppings such as mushrooms onions bell peppers etc., bake in the oven until crispy perfection is achieved!

Serving Ideas

There are endless possibilities when it comes to serving grilled vegetables, so get creative! One simple yet delicious option is to sprinkle some crumbled feta cheese over the top of the veggies while they’re still hot off the grill. The salty tanginess of the cheese pairs perfectly with the sweet and smoky flavors of grilled zucchini and squash.

Another great idea is to toss your grilled veggies with some cooked quinoa or couscous for a healthy grain bowl. Add in some fresh herbs like parsley or cilantro, along with diced tomatoes or cucumbers for extra crunch.

If you’re looking for something more indulgent, try layering slices of grilled zucchini and squash on top of toasted bread spread with hummus or pesto. Top it all off with sliced avocado and a drizzle of balsamic glaze for an irresistible open-faced sandwich.

Grilled Zucchini & Squash Variations

One simple way to add some extra flavor is by brushing your vegetables with a mixture of olive oil and balsamic vinegar before grilling. This will give them a tangy sweetness that pairs perfectly with their natural earthiness.

Another delicious variation is adding some spice! Try sprinkling chili powder or cumin on your sliced veggies before placing them on the grill for an added kick. You can also experiment with different herbs like rosemary, thyme, or oregano for a more savory taste.

For those who love cheese (who doesn’t?), try topping your grilled zucchini and squash slices with crumbled feta or grated Parmesan cheese while they’re still hot off the grill. The heat from the vegetables will melt the cheese just enough to create a gooey texture that’s irresistible.

If you want something truly unique, consider stuffing your zucchini halves after slicing them lengthwise in half! Fill each half-cupped side up generously but not overflowing; then place it directly onto preheated grill grates over medium-high heat until tender yet firm when pierced through its flesh using tongs – about 5-7 minutes per side depending upon thicknesses involved here!

Storing and Reheating Leftovers

Don’t let them go to waste! Properly storing and reheating your leftovers will ensure that they taste just as delicious the next day.

To store your grilled vegetables, place them in an airtight container or wrap tightly in foil. Be sure to label the container with the date so you know when it was cooked.

Store in the refrigerator for up to 3 days.

When reheating, there are several options depending on how you plan on using them. If you’re simply eating them as a side dish, microwaving is quick and easy – just be careful not to overcook or they’ll become mushy! For best results though we recommend heating up some oil (olive oil works great) over medium heat until hot then adding your veggies into it for about 5 minutes stirring occasionally until heated through.

If using leftover zucchini and squash in another recipe such as pasta sauce or stir-fry dishes where they will be further cooked again later on then skip this step altogether since their texture won’t matter much at all once mixed into other ingredients!

Common Grilling Mistakes

Here are some common grilling mistakes to avoid:

1. Not preheating the grill: Preheating the grill is essential for getting those beautiful char marks on your vegetables.

2. Overcrowding the grill: Make sure you leave enough space between each piece of vegetable so they cook evenly.

3. Slicing too thin or too thick: The thickness of your slices will affect how long they take to cook and their texture when finished.

4. Flipping too often: Resist the urge to constantly flip your veggies as this can cause them to break apart or not get those coveted char marks.

5. Using high heat only: While high heat may seem like a good idea, it can quickly burn delicate vegetables like zucchini and squash before they have time to fully cook through.

Pro-Tips for Making the Best Grilled Zucchini and Squash

To take your grilled zucchini and squash to the next level, here are some pro-tips that will help you make the best dish possible:

1. Don’t overcook: Overcooking can cause zucchini and squash to become mushy.

Keep an eye on them while grilling, so they don’t get too soft.

2. Use a grill basket: If you’re worried about losing small pieces of vegetables through the grates, use a grill basket or skewers instead.

3. Add cheese: Grilled zucchini and squash pair perfectly with melted cheese like feta or parmesan for added flavor.

4. Experiment with different seasonings: Try using different herbs such as rosemary or thyme for extra flavoring in your marinade.

5. Cut evenly sized pieces: To ensure even cooking times throughout all of your veggies, cut them into similar sizes before placing them on the grill.

Health Benefits of Grilled Squash and Zucchini

These vegetables are low in calories and high in fiber, making them a great addition to any diet. They’re also rich in vitamins A and C, which help support healthy skin and immune function.

When you grill squash and zucchini, you enhance their natural flavors without adding extra fat or calories. Plus, grilling these veggies helps retain more of their nutrients than other cooking methods like boiling or frying.

Incorporating grilled squash and zucchini into your meals is an easy way to boost your vegetable intake while reaping the many health benefits they offer. So next time you fire up the grill for a summer cookout, don’t forget to add some sliced squash or zucchini alongside those burgers!


How long to salt zucchini before grilling?

Salt zucchini for 10 minutes before grilling.

How do you keep zucchini from getting soggy when cooking?

To prevent zucchini from getting soggy when cooking, slice and salt it before cooking, allowing it to drain in a colander for 30 minutes, and then pat it dry.

Do you eat zucchini and squash with the skin on?

Yes, you should eat zucchini and squash with the skin on as it is soft, thin, perfectly edible, and contains healthy carotenoids.

What is the ideal thickness for slicing zucchini and squash before grilling?

The ideal thickness for slicing zucchini and squash before grilling is about 1/4 inch or 0.6 cm.

What type of oil is best for grilling zucchini and squash to achieve optimal flavor?

The best type of oil for grilling zucchini and squash to achieve optimal flavor is olive oil.

Can you use a grill pan to grill zucchini and squash, and if so, how does this differ from grilling on an outdoor grill?

Yes, you can use a grill pan to grill zucchini and squash, which differs from outdoor grilling by providing more temperature control and a stovetop setting.