Rainbow Roasted Vegetable Bowl

Featured in: Everyday Home Plates

This vibrant bowl brings together a medley of roasted vegetables—red and yellow bell peppers, purple cauliflower, broccoli, cherry tomatoes, zucchini, and carrots—all caramelized to perfection in the oven. The vegetables are served over fluffy brown rice and finished with a bright, herbaceous sauce made from fresh parsley, cilantro, basil, and lemon.

Perfect for meal prep or a satisfying weeknight dinner, this bowl delivers a spectrum of colors, textures, and flavors. The roasting process enhances the natural sweetness of each vegetable while creating tender-crisp bites. The fresh herb sauce adds brightness and ties everything together with its zesty, garlicky notes.

Updated on Tue, 03 Feb 2026 11:28:00 GMT
A vibrant Rainbow Roasted Vegetable Bowl with fluffy brown rice, topped with colorful roasted veggies and a bright green herb sauce. Pin it
A vibrant Rainbow Roasted Vegetable Bowl with fluffy brown rice, topped with colorful roasted veggies and a bright green herb sauce. | bonkhubz.com

There's something almost meditative about arranging vegetables by color on a baking sheet, watching them transform from raw to caramelized gold in the oven. I discovered this bowl one autumn when I was tired of the same weeknight routine and decided to raid my produce drawer without a plan. The result was so naturally balanced, so full of life, that it became the dish I turn to whenever I need to feel like I'm actually nourishing myself.

I made this for a friend who'd just started eating plant-based, and watching her face light up when she tasted that herb sauce drizzle was the moment I realized this wasn't just a bowl of vegetables. It was proof that simple food, when assembled with care, could feel genuinely special.

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Ingredients

  • Red and yellow bell peppers: These are your color anchors and they caramelize beautifully, turning slightly sweet as they roast.
  • Purple cauliflower: If you can find it, use it for that stunning deep hue that photographs beautifully and tastes earthier than regular cauliflower.
  • Broccoli florets: They get crispy on the edges when roasted, which is the best-kept secret about broccoli that nobody talks about.
  • Cherry tomatoes: Halved so they roast instead of staying firm, concentrating their sweetness into little bursts of flavor.
  • Zucchini and carrot: These mild vegetables provide texture contrast and round out the flavor profile without overpowering anything.
  • Olive oil: Good quality here makes a real difference, especially since the roasted vegetables won't have much else to lean on.
  • Brown rice: Nutty and substantial, it catches all the herb sauce and holds the bowl together structurally and emotionally.
  • Fresh herbs: The trinity of parsley, cilantro, and basil is non-negotiable because dried herbs will give you regret, trust me on this.

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Instructions

Heat your oven and prep your vegetables:
Get that oven to 425°F while you're dicing everything into roughly bite-sized pieces. Uneven vegetables cook unevenly, which sometimes works in your favor for variety in texture, so don't stress if they're not perfect.
Season and spread on the sheet:
Toss all your prepped vegetables with olive oil, salt, and pepper, coating them evenly so they roast instead of steam. Spread them in a single layer on your baking sheet and don't overcrowd them or they'll sulk.
Roast until golden:
Set a timer for 25 minutes but stir everything halfway through to make sure nothing's hiding under something else and burning silently. You're looking for caramelized edges and tender interiors, which should take 25-30 minutes total.
Cook your rice in parallel:
While vegetables roast, rinse your brown rice under cold water to remove any starch, then combine with water and salt in a medium saucepan. Bring to a boil, reduce heat to low, cover, and let it simmer untouched for 30-35 minutes until the water is absorbed and you can fluff it with a fork.
Make your herb sauce:
Roughly chop all your fresh herbs and add them to a blender or food processor with lemon juice, one small garlic clove, olive oil, salt, and pepper. Blend until it's smooth and bright green, tasting as you go because lemon juice strength varies wildly.
Assemble with intention:
Divide fluffy brown rice among bowls, arrange your roasted vegetables on top in whatever pattern appeals to you, then drizzle generously with herb sauce. The sauce is what ties everything together from good to genuinely memorable.
Close-up of the Rainbow Roasted Vegetable Bowl, showing caramelized edges on purple cauliflower, bell peppers, and zucchini over grains. Pin it
Close-up of the Rainbow Roasted Vegetable Bowl, showing caramelized edges on purple cauliflower, bell peppers, and zucchini over grains. | bonkhubz.com

There was this Tuesday evening when I made this bowl on autopilot, still thinking about work, and halfway through eating I realized I'd become fully present again. That's when I knew this recipe had crossed from practical to necessary.

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Vegetables You Can Swap In

The magic of this bowl is its flexibility. Sweet potato adds sweetness and texture, red onion brings sharpness that balances the richness of olive oil, and asparagus creates long lines that make the bowl look elegant. I've also used mushrooms when I had them, fennel for an anise note, and even cubed tofu for extra protein that doesn't feel like an afterthought. The only real rule is to cut everything into similar-sized pieces so the roasting is even and the bowl feels cohesive.

What Makes This Bowl Feel Complete

A bowl is only as good as its sauce, and this one is where the magic happens. The herb sauce tastes alive and summery, and it binds all the different vegetables together into something greater than the sum of its parts. When you drizzle it generously, you're not just adding flavor, you're transforming individual components into a unified experience that makes you feel like you're eating something intentional, even on a random Tuesday night when you're making it because it's healthy and fast.

Kitchen Notes for Better Results

I've learned that roasted vegetables taste best when your oven is truly preheated and your baking sheet is hot, which means that caramelization happens faster and more beautifully. The herb sauce can be made ahead and stored in the refrigerator for up to three days, which means you can prep this bowl in stages if your day is chaotic. Temperature matters less than you'd think as long as you eat this while the rice is warm and the vegetables still have some of their caramelized edges.

  • Make extra herb sauce because you'll want to drizzle it on everything for the next few days.
  • If you can't find purple cauliflower, regular cauliflower roasts beautifully and tastes just as good even if it's less Instagram-worthy.
  • This bowl is actually better assembled to order rather than made ahead, so do your prep early and assemble just before eating.
Top-down view of a nourishing Rainbow Roasted Vegetable Bowl, garnished with fresh parsley and drizzled with zesty lemon herb sauce. Pin it
Top-down view of a nourishing Rainbow Roasted Vegetable Bowl, garnished with fresh parsley and drizzled with zesty lemon herb sauce. | bonkhubz.com

This bowl has become my answer to the question of how to eat well without sacrificing joy, and I hope it becomes yours too. Make it once, and you'll understand why it's the kind of dish people keep coming back to.

Recipe FAQ

What vegetables work best for roasting?

Bell peppers, cauliflower, broccoli, zucchini, carrots, and cherry tomatoes roast beautifully. You can also add sweet potatoes, red onion, Brussels sprouts, or asparagus depending on season and preference.

Can I make this ahead?

Absolutely. Roast vegetables and cook brown rice up to 4 days in advance. Store separately in airtight containers. Make the herb sauce fresh or prepare up to 2 days ahead—add a squeeze of fresh lemon before serving.

How do I get perfectly roasted vegetables?

Preheat your oven to 425°F for proper caramelization. Cut vegetables into uniform pieces, toss with olive oil and seasoning, and spread in a single layer on the baking sheet. Stir halfway through cooking for even browning.

Can I add protein to this bowl?

Yes. Roast chickpeas alongside the vegetables, add pan-seared tofu, or top with grilled chicken. Quinoa or farro can replace brown rice for variety. A dollop of hummus or tahini also adds protein richness.

What makes the herb sauce special?

The combination of fresh parsley, cilantro, and basil creates layers of herbal flavor. Lemon juice adds brightness, while garlic provides depth. Extra virgin olive oil creates a smooth, drizzleable consistency that coats the roasted vegetables beautifully.

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Rainbow Roasted Vegetable Bowl

Colorful roasted vegetables over fluffy brown rice with zesty herb sauce

Prep Time
20 minutes
Cook Time
35 minutes
Time Needed
55 minutes
Recipe by Calvin Rowe


Skill Level Easy

Cuisine International

Makes 4 Portions

Diet Specs Plant-Based, No Dairy, No Gluten

What You’ll Need

Vegetables

01 1 red bell pepper, diced
02 1 yellow bell pepper, diced
03 1 cup purple cauliflower florets
04 1 cup broccoli florets
05 1 cup cherry tomatoes, halved
06 1 medium zucchini, sliced
07 1 medium carrot, sliced
08 2 tablespoons olive oil
09 1/2 teaspoon sea salt
10 1/4 teaspoon black pepper

Grains

01 1 1/2 cups uncooked brown rice
02 3 cups water
03 1/2 teaspoon salt

Herb Sauce

01 1/4 cup fresh parsley
02 1/4 cup fresh cilantro
03 2 tablespoons fresh basil leaves
04 2 tablespoons lemon juice
05 1 small garlic clove
06 1/4 cup extra virgin olive oil
07 1/4 teaspoon salt
08 1/8 teaspoon black pepper

How To Make It

Step 01

Preheat oven: Set oven to 425°F and allow to reach temperature.

Step 02

Prepare vegetables: Arrange all diced vegetables on a large baking sheet. Drizzle with olive oil, salt, and pepper. Toss thoroughly to coat all pieces evenly.

Step 03

Roast vegetables: Place baking sheet in preheated oven and roast for 25-30 minutes, stirring halfway through cooking, until vegetables are tender with light caramelization.

Step 04

Cook brown rice: Rinse brown rice under cold water. In a medium saucepan, combine rice, water, and salt. Bring to a boil, reduce heat to low, cover with lid, and simmer for 30-35 minutes until rice is tender and liquid is absorbed. Fluff with fork.

Step 05

Make herb sauce: Combine parsley, cilantro, basil, lemon juice, garlic, olive oil, salt, and pepper in a blender or food processor. Blend until smooth consistency is achieved.

Step 06

Assemble bowls: Divide cooked brown rice evenly into serving bowls. Top with roasted vegetables and generously drizzle herb sauce over each portion.

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Tools You’ll Need

  • Large baking sheet
  • Medium saucepan with lid
  • Blender or food processor
  • Sharp knife and cutting board
  • Mixing bowls

Allergy Advice

Review every ingredient for potential allergens and reach out to your healthcare provider if you’re unsure.
  • No common major allergens present in base recipe

Nutrients per Portion

These nutritional details are general info only and aren't a substitute for professional advice.
  • Kcal: 360
  • Fats: 13 grams
  • Carbohydrates: 56 grams
  • Proteins: 7 grams

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