Oven-Roasted Root Vegetables with Garlic and Thyme

If you’re looking to shake up your side dish rotation, these Roasted Root Vegetables are a simple, flavorful solution. This easy recipe is gluten free, dairy free and vegan, and it’s highly customizable — swap in your favorite root vegetables, herbs, and spices to suit your tastes or what’s in season.

Roasted root vegetables in a white serving bowl

I’m always searching for new ways to make vegetables exciting — roasting brings out natural sweetness and adds caramelized edges that everyone seems to love. While I regularly serve roasted carrots, parsnips and cauliflower, this mixed root vegetable medley has quickly become a favorite.

This recipe combines sweet potatoes, parsnips, carrots, golden beets and red cippolini onions. Cutting the vegetables into uniform pieces helps them cook evenly. They’re tossed with olive oil, garlic powder and fresh rosemary, then roasted at 400°F until tender and caramelized.

It’s a reliable, crowd-pleasing side that also works great for meal prep — roast a large batch and use it throughout the week in salads, grain bowls, or alongside your favorite protein.

Why you’ll love this recipe:

  • Colorful, caramelized root vegetables with herb-forward flavor that pair well with many main dishes.
  • Customizable — swap in different roots or herbs based on what you have available.
  • Simple prep and hands-off cooking make this an easy side for weeknights or special occasions.
  • Gluten free, dairy free and vegan, so it suits a range of dietary needs.
Roasted root vegetables on a sheet pan

Recipe ingredients

The amounts below are a guideline. Feel free to substitute similar root vegetables or adjust quantities to match what you have on hand.

Roasted root vegetables recipe ingredients
  • Sweet potatoes — Garnet yams are used here, but any sweet potato variety works. You can substitute regular potatoes if preferred.
  • Carrots — Rainbow carrots add color and sweetness.
  • Golden beets — Any beet variety will work; note that purple beets can bleed color onto other vegetables.
  • Red cippolini onions — Small, flat onions that caramelize nicely; regular onions are a fine substitute.
  • Rosemary — Fresh rosemary complements root vegetables; if using dried herbs, use about half the amount.

Full ingredient list and quantities are included in the recipe card below.

How to make roasted root veggies

Roasting root vegetables is straightforward. Most of the work is chopping; you can do this ahead to speed up weeknight prep. This dish also reheats well for lunches or quick dinners.

Pro tip: Aim for about 4 cups of vegetables per sheet pan. Overcrowding the pan causes steaming rather than roasting, which prevents caramelization.

How to make roasted root vegetables collage
  1. Preheat the oven to 400°F. Spread the cut vegetables in a single layer on a rimmed baking sheet (use two sheets if needed to avoid crowding).
  2. Toss the vegetables with olive oil, garlic powder, chopped rosemary, salt and pepper until evenly coated.
  3. Bake for 30–40 minutes, turning the pan once halfway through, until the vegetables are tender and caramelized. Remove from the oven, let cool slightly, and serve.

Recipe FAQs

What are the best root vegetables to roast?

Most root vegetables roast beautifully: sweet potatoes, regular potatoes, carrots, parsnips, beets, rutabaga, turnips, celery root, and even radishes. Cut them into similar-sized pieces so they cook evenly. If adding whole garlic cloves, you can roast them peeled or unpeeled; once cooked, the softened garlic is easy to remove from the peel.

What temperature is best for roasting vegetables?

400°F is an ideal roasting temperature — hot enough to encourage caramelization while cooking the vegetables through.

How do you keep roasted vegetables from getting soggy?

Arrange vegetables in a single layer without overcrowding. Overcrowding traps steam and prevents browning. Use about 4 cups of vegetables per large sheet pan as a guideline.

How long should I roast root vegetables?

Chunks about 1–1½ inches typically take 30–40 minutes at 400°F. Thicker pieces or denser roots like beets may need toward the longer end of the range.

Can I prepare this recipe in advance?

Yes — roast ahead and refrigerate leftovers. They may soften after cooling, but they remain tasty and are great for quick meals through the week.

Serving suggestions

This roasted root vegetable medley pairs well with many mains and can be adapted into complete meals.

  • Serve as a side alongside roasted or pan-seared chicken, steak, pork or fish.
  • Add roasted chicken thighs on the same tray for a simple sheet-pan dinner — just be mindful of cooking times for different ingredients.
  • Toss with cooked quinoa, leafy greens and a tangy vinaigrette for a satisfying vegetarian main.

Recipe notes

  • Cut evenly: Uniform pieces ensure even cooking.
  • Don’t overcrowd: Use a second sheet pan if needed to allow browning instead of steaming.
  • Customize: Use your preferred combination of roots, herbs and spices.
  • Storage: Store leftovers in an airtight container in the fridge for up to 5 days.
Spatula scraping off roasted root vegetables on a sheet pan

More vegetable sides you’ll love

  • Air fryer brussels sprouts
  • Cinnamon roasted butternut squash
  • Maple glazed carrots
  • Oven roasted sweet potatoes
  • Ranch roasted potatoes
  • Roasted brussels sprouts, carrots and parsnips
  • Roasted smashed potatoes
  • Smashed brussels sprouts

Did you try this recipe? If so, please leave a review below and tag @flavorthemoments on social media so I can see what you made.

Roasted root vegetables in a white serving bowl

Roasted Root Vegetables Recipe

Servings: 8
Prep Time: 10 mins
Cook Time: 30 mins
Total Time: 40 mins
An easy, colorful gluten free and vegan side dish that’s customizable with your favorite root vegetables and herbs.

Ingredients

  • 2 medium sweet potatoes, peeled and cut into 1″ chunks
  • 2 parsnips, peeled and cut into 1″ chunks
  • 2 large carrots, cut into 1″ chunks
  • 2 medium golden beets, peeled and cut into 1″ chunks
  • 2 red cippolini onions (or 1 small red onion), peeled and cut into wedges
  • 3 tablespoons olive oil
  • 2 tablespoons chopped fresh rosemary (or 1 1/2 teaspoons dried)
  • 2 teaspoons garlic powder
  • 1 teaspoon kosher salt, or to taste
  • 1/2 teaspoon black pepper, or to taste

Instructions

  1. Preheat the oven to 400°F. Arrange the prepared root vegetables in a single layer on a rimmed baking sheet; use a second sheet if needed to avoid overcrowding.
  2. Drizzle with olive oil and toss with rosemary, garlic powder, salt and pepper until evenly coated.
  3. Bake 30–40 minutes, turning once halfway through, until the vegetables are tender and caramelized. Cool slightly and serve.
How to make roasted root vegetables collage

Notes

  • Pro tip: Cut vegetables to uniform sizes for even cooking.
  • Use roughly 4 cups of vegetables per baking sheet to prevent steaming and encourage browning.
  • Leftovers keep in an airtight container in the refrigerator for up to 5 days.

Nutrition (per serving)

Calories: 165 kcal — Carbohydrates: 28 g — Protein: 3 g — Fat: 6 g — Fiber: 6 g. Nutrition is estimated and intended as a guideline only.

Course: Side Dishes • Cuisine: American • Author: Marcie

All recipes and images © Flavor the Moments.