Roasted Vegetable Tray Bake


Easy roasted vegetable tray bake with tender veggies and golden caramelized edges. Perfect for busy weeknight dinners.


Published: Modified: by Jennifer Ryan


A tray of roasted vegetables including carrots, potatoes, and cherry tomatoes, topped with herbs and feta cheese.

Why I Love This Roasted Vegetable Tray Bake

This roasted vegetable tray bake is the kind of dish I make when I want something colorful, generous, and easy to serve with almost anything. The carrots, parsnips, sweet potato, new potatoes, red onion, and tomatoes all go into one large roasting pan, then the oven does most of the work. As they cook, the edges turn golden, the potatoes become soft in the center, and the tomatoes add little bursts of sweetness.

A close-up of roasted vegetables including potatoes, carrots, and tomatoes topped with feta cheese and herbs.

My favorite part is the roasted garlic. It softens in the pan until mellow and rich, then gets mashed into olive oil, parsley, lemon juice, salt, and pepper. That simple garlic-herb dressing gives the warm vegetables a bright, savory finish without making the dish feel heavy.
The rosemary and thyme make the kitchen smell cozy while everything roasts, and the feta adds a salty, creamy finish that works beautifully with the sweet root vegetables. I also love how flexible this recipe is. As long as the vegetables are cut into similar-sized pieces and spread out well, the tray comes out balanced, colorful, and easy to bring straight to the table.

A colorful roasted vegetable tray bake featuring carrots, potatoes, and feta cheese.

Tips for Even Roasting and Better Flavor

The most important step is cutting the vegetables into similar-sized pieces. Carrots and parsnips are cut into batons, while the sweet potato is chopped into chunks. The new potatoes are halved, and the red onion is sliced into wedges. This helps everything cook at a more even pace.
The visual cue is color and tenderness. After roasting, the vegetables should look golden in places and feel tender when pierced. The tomatoes should soften, while the potatoes and root vegetables should hold their shape.

A colorful roasted vegetable tray bake featuring carrots, potatoes, and cherry tomatoes topped with feta cheese.

The garlic cloves are roasted whole in the pan. This matters because they become soft enough to squeeze into the dressing. Once mixed with olive oil, parsley, lemon juice, salt, and pepper, the garlic gives the dressing a smooth, savory base.
The herbs also work best nestled among the vegetables before roasting. Rosemary and thyme season the tray as everything cooks. After roasting, the garlic-herb dressing goes over the vegetables, and the feta is scattered on top. This keeps the final flavor fresh and bright instead of heavy.

A colorful roasted vegetable tray bake featuring carrots, potatoes, and feta cheese.

Easy Variations

Make It Dairy-Free

Swap the feta for a dairy-free option. This keeps the same roasted vegetable base while making the dish vegan-friendly.

Change the Vegetables

Add zucchini, peppers, or squash for variety. Keep the pieces similar in size so they roast evenly with the other vegetables.

Troubleshooting Roasted Vegetables

If the vegetables cook unevenly, the pieces may be too different in size. Cut them more evenly next time so they roast at the same pace. If the vegetables look pale, they may need the full roasting time. They should look golden and tender before the dressing goes on. If the dressing tastes too sharp, adjust with salt and pepper to balance the lemon. If the tray feels dry, make sure the vegetables are well coated with olive oil before roasting.

A colorful assortment of roasted vegetables including carrots, potatoes, and herbs.

What to Serve with It

This dish works well as a warm vegetable side for meat or fish. For a more filling meal, serve the roasted vegetables over couscous, quinoa, or grains. The garlic-herb dressing helps bring everything together, while the feta adds a salty finish. Serve it straight from the pan for an easy, relaxed meal.

A colorful roasted vegetable tray bake featuring carrots, potatoes, and cherry tomatoes topped with feta cheese.

Roasted Vegetable Tray Bake

Roasted vegetable tray bake loaded with colorful veggies and bold flavor. An easy, healthy dinner or side dish everyone loves.
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Prep Time 10 minutes
Cook Time 45 minutes
Total Time 55 minutes
Course Main Course, Side Dish
Cuisine British
Servings 6
Calories 292 kcal

Ingredients
 
 

Garlic Herb Dressing

  • roasted garlic from the roasting tin after cooking
  • 2 tablespoons olive oil
  • 1 bunch parsley finely chopped
  • ½ lemon juiced
  • pinch salt to taste
  • pinch pepper to taste
  • cup feta crumbled, for topping

Instructions
 

  • Cut the carrots and parsnips lengthwise into batons. Chop the sweet potato into chunks, halve the new potatoes, and slice the red onion into wedges. Leave cherry tomatoes whole if using.
    2½ lbs mixed root vegetables
  • Preheat the oven to 400°F (200 °C) or 350°F (180 °C) fan.
    Oven preheated to 400°F or 200°C and displayed in bold orange text.
  • Add the chopped vegetables, new potatoes, cherry tomatoes, onion wedges, and whole garlic cloves to a large roasting tray. Nestle the rosemary and thyme sprigs among the veg. Drizzle with 2 tablespoons of olive oil, season with salt and pepper, and toss everything together until well coated.
    1 cup cherry tomatoes, 14 ounces new potatoes, 3 cloves garlic, 4 sprigs rosemary, 4 sprigs thyme, 2 tablespoons olive oil, pinch salt, pinch pepper
    A tray filled with colorful roasted vegetables including potatoes, carrots, tomatoes, and herbs.
  • Place the tray in the oven and roast for 45 minutes, or until the vegetables are golden and tender.
    A colorful tray of roasted vegetables including potatoes, carrots, and tomatoes garnished with herbs.
  • Once the vegetables are done, remove the garlic cloves from the tray. Squeeze the soft roasted garlic into a small bowl. Add the olive oil, chopped parsley, lemon juice, salt, and pepper, then whisk or blend until smooth.
    roasted garlic, 2 tablespoons olive oil, 1 bunch parsley, ½ lemon
    A bowl of green herb-infused oil with chopped cilantro.
  • Drizzle the garlic herb dressing over the roasted vegetables. Scatter over crumbled feta, and serve straight from the tray.
    ⅓ cup feta
    A colorful roasted vegetable tray bake featuring carrots, potatoes, and cherry tomatoes topped with feta cheese.

Notes

Tips and Tricks
  • Keep vegetable pieces similar in size to ensure even roasting.
  • Swap feta for a dairy-free option to make this vegan.
  • Try adding zucchini, peppers, or squash for variety.
  • Great served over couscous, quinoa, or grains for a filling meal.

Nutrition

Calories: 292kcalCarbohydrates: 41gProtein: 10gFat: 12gSaturated Fat: 3gPolyunsaturated Fat: 2gMonounsaturated Fat: 7gCholesterol: 7mgSodium: 197mgPotassium: 821mgFiber: 10gSugar: 8gVitamin A: 10592IUVitamin C: 58mgCalcium: 124mgIron: 3mg
Keywords easy dinner, one-pan, roast dinner, roast dinner ideas, roasted vegetables, Sunday roast, tray bake, Vegetable, vegetable side dish, vegetables
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Frequently Asked Questions

How do you keep roasted vegetables from becoming soggy?

Dry the vegetables well, use just enough oil to coat them lightly, and spread them in a single layer with space between the pieces. If the pan looks crowded, divide the vegetables between two sheet pans, so they roast instead of steam.

Which vegetables can be roasted together?

Carrots, parsnips, sweet potatoes, new potatoes, and red onion roast well together when cut into similar-sized pieces. Add quicker-cooking vegetables, such as zucchini or summer squash, during the final 20 to 25 minutes so they do not become too soft.

Do I need to peel the vegetables?

No, not always. Carrots, parsnips, and sweet potatoes can be peeled or scrubbed well, depending on their skins. Remove any tough, dry, or damaged areas, and cut the vegetables into even pieces so they cook at the same rate.

Can I make this roasted vegetable tray bake vegan?

Yes. Omit the feta or use a plant-based feta alternative. The roasted garlic and parsley dressing is already dairy-free, so the recipe is easy to adapt.

Why are my roasted vegetables not browning?

The vegetables may be too crowded, too wet, cut too large, or roasted in an oven that was not fully preheated. Spread them out in a single layer and continue roasting until the edges are golden and the potatoes are fork-tender.