The Everyday Chef: How To Roast Vegetables (2024)

Alex Caspero, MA, RD, CLT
Everyday Chef, Fruits & Veggies—More Matters

The Everyday Chef: How To Roast Vegetables (1)

Whenever someone tells me that s/he doesn’t like vegetables, my follow up question is usually, have you ever tried them roasted? Roasting vegetables is unequivocally my favorite way to prepare vegetables and is a cooking technique that has prevented many clients from swearing off vegetables forever.

Why Roast? Slightly crisp vegetables are more flavorful than steamed vegetables.

Vegetables, like fruits, contain natural sugars that are intensified after roasting in the oven. When preparing vegetables this way, you are rewarded with caramelized, slightly crisp vegetables that are much more flavorful than steamed vegetables. To me, there is no comparison, and I’ve been known to make an entire meal from roasted cauliflower or green beans. And while roasted vegetables taste richer and more complex, the process couldn’t be easier. If you can boil water, you can make roasted vegetables.

Many Combinations
I’m sharing with you a basic roasted vegetable recipe (below) that is highly customizable based on the ingredients. Swap out whatever in-season vegetable you like and get creative with the seasoning base! The possibilities are endless, but here are my favorite combinations:

  • Broccoli and curry powder
  • Cauliflower and za’atar
  • Thinly sliced Brussels sprouts with garlic, paprika and cayenne pepper
  • Zucchini with dried oregano, basil and thyme

The Everyday Chef: How To Roast Vegetables (2)

How To Roast
To reduce the amount of oil used when roasting, I first cut all my vegetables into bite-size pieces. Because you are roasting, you want them to be as uniform in size as possible to ensure even cooking.

  • After placing the cut vegetables into a large bowl, I drizzle on 1-2 tsp. of oil and use my hands to coat every piece. Just like tossing a salad, you’ll use less oil if you take the time to toss the vegetables and oil together in the bowl.
  • Next, I sprinkle on whatever seasoning I am using along with a generous pinch of salt and freshly ground pepper.
  • Then, I give it one last toss so that the seasonings are evenly distributed on the oiled vegetables.
  • Now, place the vegetables in a single layer in either a roasting pan, baking stone or foil-lined cookie sheet. It’s important that the vegetables are arranged in a single layer so that they can crisp on all sides. If any of your vegetables pieces are layered, they will steam instead of roast. Depending on how small you chopped your vegetables or the number of servings you’re making, you might need 2-3 baking pans.
  • Bake until veggies are lightly browned and tender, 25-60 minutes depending on the vegetable. I always check on my vegetables halfway through the cook time to make sure they haven’t dried out. If they are too dry, sprinkle a tablespoon or two of broth, juice, or dressing over the veggies.

Lastly, I always make at least double the vegetables I need. Leftovers are excellent in scrambled eggs (think roasted peppers and asparagus) or over salads for lunch. Cook once, eat twice!

My Recipe

Basic Roasted Vegetables

4 cups vegetables, chopped
1-2 tsp. oil
Seasonings of choice (dried rosemary, basil, parsley, curry powder, majoram, etc.)
Salt/Pepper

Preheat oven to 400°F. Combine vegetables and oil and toss until completely coated. Add in seasonings of choice (if using) and pinch salt/pepper.

Place on a baking pan, stone, or foil lined cookie sheet in a single layer. Bake for 25-60 minutes, turning once during cooking.

Photo Credit: Alex Caspero

The Everyday Chef: How To Roast Vegetables (2024)

FAQs

What is the secret to roasting vegetables? ›

The perfect temperature– 400 degrees Fahrenheit is the perfect temperature for most roasted vegetables. It allows for a crispy, perfectly browned exterior and a fork tender interior. But it will vary based on the types of veggies and oil used. If your veggies are not browning enough, try increasing the temperature.

How to roast vegetables like a pro? ›

Instructions
  1. Preheat oven to 400 degrees F.
  2. Place vegetables on sheet pan and drizzle with olive oil. Season with salt and pepper all over, then herbs de Provence and garlic. ...
  3. Bake for 20 minutes, tossing the veggies and rotating the pan 180 half-way through cooking.
Feb 16, 2024

Why won't my roast veggies go crispy? ›

If you don't end up with crispy vegetables, it is likely because you overcrowded the pan, which will make the vegetables steam instead of roast. Your oven may also be at too low of a temperature.

How do you roast vegetables so they are not soggy? ›

The #1 Tip for Extra-Crispy Roasted Vegetables
  1. Preheat oven to 425℉.
  2. Prep veggies and pat dry (ensuring the veggies are dry will help avoid clumping with the cornstarch). ...
  3. Add 1 tablespoon cornstarch per pound of vegetables. ...
  4. Roast until fork-tender and crispy, 20 to 45 minutes, depending on the vegetable.
Apr 3, 2023

What are two tips to remember when roasting vegetables? ›

You want to see a bit of space around the veggies — don't be afraid to split them between two baking sheets if you need to. Crowding will make the vegetables steam instead of roast, and that's the opposite of what we're going for. Also, make sure your oven is good and hot before you put the vegetables in to roast.

Do you put oil on vegetables before roasting? ›

Coat the vegetables generously with oil before roasting.

You can use olive oil or avocado oil. Drizzle oil over vegetables and toss with your hands, rubbing the oil into the veggies to make sure they are well coated. You can do this in a large bowl or right on the sheet pan.

What is the single ingredient you need for the crispiest roasted vegetables? ›

The next time you roast vegetables, add some cornstarch. Yes, cornstarch—that box in your pantry is the secret to a super-crispy exterior on veggies, from potatoes to cauliflower. Cornstarch is commonly used to coat proteins like chicken or beef to achieve a crispy exterior, so why not use it with vegetables?

Do you roast vegetables in the oven, covered or uncovered? ›

There is no need to cover vegetables when roasting. Covering them creates steam, so they won't get as crispy and caramelized. Don't forget to stir once or twice while cooking so the vegetables get nicely browned on all sides. Other than that, you can't really go wrong.

What temperature do you roast vegetables at? ›

How to Make Roasted Vegetables
  1. While you chop the veggies, preheat the oven to 425°F. This high temperature helps the veggies brown and caramelize as they roast!
  2. Next, season the vegetables. ...
  3. Roast for 15 minutes, then check the vegetables. ...
  4. Finally, season to taste.

Is it better to roast vegetables at a high or low temperature? ›

Always Use High Heat for Roasting

While a moderate oven temperature (think somewhere in the 300's range) is ideal when baking, roasting always requires much higher heat. To be more specific, the best temperature for roasting vegetables is between 400°F and 450°F, with 425ºF being the temperature we call for most often.

Do you roast vegetables on top or middle rack? ›

If you have to roast veggies on two different racks, make sure you put the top rack in the upper third of the oven and the lower rack in the bottom third of the oven. This will allow the heat and air to circulate better to help get the vegetables tender and caramelized.

How to get a char on roasted vegetables? ›

Preheat oven to 450 degrees Fahrenheit. In a large bowl, toss the vegetables with the oil, herbs, and salt and pepper. Pour into a large jelly roll pan and bake 20-25 minutes, tossing once or twice during the cooking process. The vegetables are done when they have nice char marks and are still vibrant in color.

Should I cover vegetables with foil when roasting? ›

A: Yes, when roasting vegetables, parchment paper is better than foil. Recent research in the International Journal of Electrochemical Science suggests that when we use aluminum foil during cooking, some aluminum leaches into food.

Do you roast vegetables covered or uncovered? ›

There is no need to cover vegetables when roasting. Covering them creates steam, so they won't get as crispy and caramelized. Don't forget to stir once or twice while cooking so the vegetables get nicely browned on all sides. Other than that, you can't really go wrong.

Should I season vegetables before or after roasting? ›

Additional tips on roasting vegetables. Heavy duty pans are ideal since they allow for even heat distribution and circulation. Because salt draws moisture out of the food, season veggies just before roasting.

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