Roasted Root Vegetable, Feta & Walnut Bake

by — September 27, 2026
3 minutes read

Colorful roasted vegetables layered with earthy beets, sweet potatoes, carrots, potatoes, and onion, finished with creamy feta, crunchy walnuts, and fresh herbs.

Ingredients

  • 2 medium beets, peeled and thinly sliced
  • 2 medium sweet potatoes, peeled and thinly sliced
  • 2 medium Yukon Gold potatoes, thinly sliced
  • 2 large carrots, thinly sliced
  • 1 medium yellow onion, thinly sliced
  • 3 tbsp olive oil
  • 1 tsp dried thyme
  • 1 tsp dried rosemary
  • ½ tsp garlic powder
  • ½ tsp salt
  • ¼ tsp black pepper
  • ½ cup crumbled feta cheese
  • ½ cup walnuts, roughly chopped
  • 1 tbsp fresh thyme or parsley
  • 1 tbsp balsamic vinegar, optional

Instructions

  1. Preheat the oven: Heat oven to 400°F (200°C). Lightly grease a 9×13-inch baking dish with olive oil.
  2. Prepare the vegetables: Peel and thinly slice the beets, sweet potatoes, potatoes, carrots, and onion. Try to keep the slices similar in thickness so they cook evenly.
  3. Season: Place the vegetables in a large bowl. Add olive oil, thyme, rosemary, garlic powder, salt, and black pepper. Toss until evenly coated.
  4. Arrange: Arrange the vegetable slices upright or slightly overlapping in rows inside the baking dish, alternating the different vegetables for a colorful presentation.
  5. Cover and bake: Cover the dish tightly with foil and bake for 35–40 minutes.
  6. Uncover: Remove the foil and continue baking for 20–25 minutes, until the vegetables are tender and the edges are lightly caramelized.
  7. Add feta and walnuts: Sprinkle the crumbled feta and walnuts over the vegetables. Return to the oven for 5–8 minutes, just until the feta is warmed and the walnuts are lightly toasted.
  8. Finish: Sprinkle with fresh thyme or parsley. Drizzle with a little balsamic vinegar if desired.
  9. Serve: Let rest for about 5 minutes, then serve warm as a side dish or light vegetarian meal.

    Nut Information

    • Tree nuts: Yes — walnuts
    • Peanuts: No
    • Contains nuts: Yes
    • Nut-free option: Replace walnuts with pumpkin seeds or sunflower seeds
    • Dairy: Yes — feta cheese
    • Egg-free: Yes
    • Gluten-free: Yes, using certified gluten-free ingredients
    • Vegetarian: Yes
    • Vegan: No — contains feta

    Q&A

    Q: Can I make this without walnuts?
    Yes. Simply omit them or replace them with pumpkin seeds, sunflower seeds, or chopped pecans.

    Q: Can I use different vegetables?
    Yes. Parsnips, turnips, butternut squash, rutabaga, or zucchini can be added or substituted.

    Q: Do I need to peel the beets?
    For the best texture, peeling is recommended. Wash them thoroughly if you prefer to leave the skin on.

    Q: How thin should I slice the vegetables?
    About ⅛–¼ inch (3–6 mm) thick works well. Similar thickness helps everything cook evenly.

    Q: Why are my vegetables still firm?
    The slices may be too thick. Cover the dish again with foil and bake for another 10–15 minutes, then check with a fork.

    Q: Can I prepare this ahead of time?
    Yes. Assemble the vegetables in the baking dish, cover, and refrigerate for up to 24 hours before baking.

    Q: Can I use pre-cooked beets?
    Yes. Add them later in the cooking process because they don’t need as much time as raw beets.

    Q: Can I use another cheese instead of feta?
    Yes. Goat cheese, Parmesan, or crumbled blue cheese can work well.

    Q: Can I make this dairy-free?
    Yes. Omit the feta or use a dairy-free feta-style cheese.

    Q: How should I store leftovers?
    Store covered in the refrigerator for 3–4 days.

    Q: How do I reheat it?
    Reheat in a 375°F (190°C) oven for about 10–15 minutes. An air fryer also works well for smaller portions.

    Q: Can I freeze it?
    Yes, although the potatoes and feta may change texture slightly after freezing. For best quality, freeze portions for up to 2 months and reheat thoroughly.

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Sara Mitchell is an expert restaurant content creator who writes easy-to-read guides about CAVA and other Mediterranean fast-casual chains in the United States. She covers locations, menus, prices, and hours, making it simple for visitors to find nearby restaurants and what to order quickly.With years of experience in restaurant research and local SEO, Sara creates accurate, user-friendly guides that work for both people and search engines. Her goal is to help users go from search results to their nearest restaurant or menu choice with as few clicks as possible.

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