Garlic Herb Roasted Potatoes and Veggies

The potatoes come out of the oven with crisp-looking edges while the carrots are still sturdy enough to hold their shape, and the red pepper and zucchini bring a softer,…

By Ava
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November 14, 2026
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Reading time: 8 min

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The potatoes come out of the oven with crisp-looking edges while the carrots are still sturdy enough to hold their shape, and the red pepper and zucchini bring a softer, sweeter bite. That mix of textures is what I want from a pan of Garlic Herb Roasted Potatoes and Veggies, not a tray where every piece turns tender at the same time.

I cut the vegetables to different sizes on purpose: the denser potatoes get larger pieces, while the carrots and zucchini are smaller so they can catch up. Rosemary and thyme coat the potatoes and carrots first, then the quicker-cooking vegetables join them later. By the time the garlic goes in, the whole pan smells earthy and savory, with browned edges and tender centers.

It’s a generous side for six, and the two-pan setup gives the vegetables room to roast instead of steam. Bring the pans to the table while the garlic is still fragrant and the potatoes are warm.

Garlic Herb Roasted Potatoes and Veggies, colorful roasted vegetables

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Kitchen Note

Garlic needs only the final stretch in the oven, so I add it after the other vegetables have started browning. Keep an eye on it during those last minutes; fragrant garlic with a little color is what you want, not dark, bitter bits.

Save these garlic herb roasted potatoes and veggies for a colorful, hands-off side with browned edges and tender centers.

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Why the Zucchini Doesn’t Go in With the Potatoes

Potatoes and carrots need a longer roast than zucchini, red pepper, and onion. Put everything in together and you’ll be asking the zucchini to stay in the oven while the roots catch up. It softens quickly, and the extra moisture can leave the tray steamy before the potatoes have a chance to brown.

Giving the potatoes and carrots their own head start solves both problems. They roast in a hot oven with the dried herbs, so their surfaces begin to color before the quicker vegetables arrive. The onion, pepper, and zucchini then have enough time to soften and pick up browned edges without collapsing into the pan.

Room on the baking sheets matters, too. The vegetables should sit in a single layer rather than pile over one another; crowded pieces release moisture into the same small space. Two rimmed 18×13-inch pans make it easier to spread everything out, and switching the pans between oven racks helps them roast more evenly.

What the Yukon Golds, Carrots, and Dried Herbs Bring to the Pan

Garlic Herb Roasted Potatoes and Veggies, browned edges

Yukon Gold potatoes — Their creamy interior turns tender without becoming as fluffy or crumbly as a russet. Cut them into even 1-inch pieces so they roast at a steady pace. Red potatoes work in the same size; their flesh stays a little firmer.
Carrots — Their sweetness balances the savory herbs, and 1/2-inch pieces let them soften on schedule alongside the potatoes. Parsnips are a useful swap cut to the same size, though they bring a more pronounced earthy sweetness.
Rosemary and thyme — Dried herbs are a practical choice here because they hold up through a long roast and cling to the oiled potatoes and carrots. If you’re out of both, replace them with an equal total amount of dried oregano for a warmer, more oregano-forward tray.
Red onion and red bell pepper — Both become sweeter as their edges brown, while the pepper adds a juicy, tender contrast. Yellow or orange bell pepper can replace the red one without changing the cut or method.
Zucchini and garlic — Zucchini brings a soft, moist bite, so keep its half-moons consistent rather than slicing them thin. Freshly minced garlic gives the strongest aroma; jarred minced garlic has a milder, less lively taste and can brown quickly, so watch it closely near the end.
Olive oil — It helps the seasonings coat the vegetables and encourages browning. A neutral oil such as avocado oil works in its place; choose a mild olive oil if you don’t want its flavor to stand out.

Roasting the Vegetables in Three Stages

Give the Potatoes and Carrots Their Head Start

Heat the oven to 425°F and line two rimmed 18×13-inch baking sheets with parchment. Toss the potatoes and carrots with 2 tablespoons of olive oil, the rosemary, thyme, half the salt, and half the pepper, then divide them between the pans in a single layer. Roast for 20 minutes, switching the pans between oven racks halfway through. If pieces are piled up, spread them out so the hot air can reach their surfaces.

Add the Vegetables That Cook Faster

After the first roast, add the onion, red bell pepper, and zucchini to the pans. Toss them with the remaining olive oil, salt, and pepper, then spread everything out again. Roast for 12 minutes. The onion and pepper should be starting to soften, while the zucchini should still hold its shape rather than look limp.

Finish with Garlic Until the Edges Brown

Add the minced garlic and toss the vegetables so it’s distributed across the pans. Roast for another 8 to 10 minutes, until the potatoes and carrots are tender and the vegetables have browned edges. Check a potato and carrot piece for tenderness rather than judging only by color. If the vegetables need the full 10 minutes, let them stay in until those dense pieces are cooked through.

Three Simple Ways to Change the Tray

Trade the Carrots for Parsnips

Cut parsnips into the same 1/2-inch pieces and roast them with the potatoes from the start. They bring a slightly earthier sweetness and make the tray feel a little less familiar without changing the staging.

Use Oregano Instead of Rosemary and Thyme

Replace the rosemary and thyme with 2 teaspoons of dried oregano. It gives the potatoes and carrots a more direct, savory herb flavor while keeping the same roasting method.

Make a Lower-Sodium Version

Use 1/4 teaspoon kosher salt with the potatoes and carrots, then another 1/4 teaspoon with the later vegetables. The herbs and garlic still give the tray plenty of savory character, though the vegetables will taste less seasoned than the original.

Storage and Reheating

Refrigerator: Store leftovers in an airtight container for 3 to 4 days. The zucchini softens more as it sits, while the potatoes lose some of their roasted edges.
Freezer: Freeze cooled vegetables in an airtight freezer-safe container for up to 2 months. They’ll be softer after thawing, especially the zucchini, so freezing is best when texture matters less than convenience.
Reheating: Spread leftovers on a baking sheet and warm in a 400°F oven until hot, about 10 minutes, checking early if the portion is small. A microwave works for a quick serving, but it won’t bring back the browned edges.

Questions That Come Up Before the Pans Go in the Oven

Can I prep the vegetables the night before?+

Yes. Cut the carrots, onion, bell pepper, and zucchini and refrigerate them in separate covered containers. Cut potatoes are best kept submerged in cold water in the refrigerator; drain and dry them thoroughly before tossing with oil and herbs.

Can I roast everything on one baking sheet?+

For the full six-serving batch, use two rimmed 18×13-inch baking sheets. One pan is likely to crowd the vegetables, trapping moisture and making it harder for their edges to brown.

How do I keep the potatoes from sticking to the parchment?+

Coat the potato pieces well with the oil before spreading them on the lined pans. If a piece clings when you check it, give it more time to roast; browned surfaces tend to release more easily than pale, under-roasted ones.

Can I leave the skins on Yukon Gold potatoes?+

Yes. Yukon Gold skins are thin, and they roast up with the potato, so peeling isn’t necessary. Scrub the potatoes well before cutting them into pieces.