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7-Ingredient Vegan High-Protein Sheet Pan Veggies with Herby Quinoa (Easy & Flavor-Packed)

Whip up this vegan high-protein sheet pan veggies with herby quinoa — a one-pan, nutritious, and flavor-packed meal bursting with fresh herbs, roasted veggies, and zesty lemon. Perfect for meal prep or a cozy weeknight dinner!
3.17 from 6 votes
Prep Time 10 minutes
Cook Time 30 minutes
Course Main Course
Cuisine Chinese, Fusion
Servings 4

Ingredients
  

🛒 Ingredients

  • 🌾 For the Herby Quinoa
  • 1 cup quinoa rinsed
  • 2 cups water or vegetable broth
  • 2 tablespoons olive oil
  • 2 tablespoons fresh dill finely chopped
  • 2 scallions green onions, thinly sliced
  • 1 lemon zested and juiced
  • ½ teaspoon sea salt
  • ¼ teaspoon black pepper freshly ground
  • 🥔 For the Sheet Pan Veggies
  • 1 medium sweet potato cut into ¾-inch cubes
  • 1 medium white or Yukon gold potato cut into ¾-inch cubes
  • 1 medium zucchini sliced into half-moons
  • 1 medium yellow onion roughly chopped
  • 2 tablespoons olive oil
  • 1 teaspoon Chinese five-spice powder
  • ½ teaspoon sea salt
  • ¼ teaspoon black pepper
  • 🍋 Optional Garnishes
  • Extra fresh dill or scallions
  • Lemon wedges for serving
  • Sprinkle of nutritional yeast for a cheesy flavor

Instructions
 

Step 1: Cook the Quinoa

  • Start by rinsing the quinoa thoroughly under cold water to remove any bitterness. Cook it according to package instructions — typically, one part quinoa to two parts water. Once tender and fluffy, set it aside to cool slightly.

Step 2: Prepare the Vegetables

  • Preheat your oven to 400°F (200°C). Line a large sheet pan with parchment paper.
  • Add your chopped sweet potato, potato, zucchini, and onion to the pan. Drizzle generously with olive oil, then season with five-spice powder, salt, and pepper. Toss until every piece is evenly coated.

Step 3: Roast the Veggies

  • Spread the vegetables out in a single layer — overcrowding prevents proper browning. Roast for 25–30 minutes, flipping halfway through, until golden and tender. You want crispy edges and soft centers.

Step 4: Mix the Herby Quinoa

  • While the veggies roast, fluff the quinoa with a fork. Add the chopped dill, scallions, lemon zest, juice, olive oil, salt, and pepper. Toss gently until fragrant and well combined.

Step 5: Combine & Serve

  • Once the veggies are roasted, let them cool slightly. Combine them with the herby quinoa or serve side by side. Finish with extra herbs and a squeeze of lemon.
  • Serve warm or at room temperature — both are fantastic.
Keyword potato, sheet pan cooking, sheet pan dinner, Sweet potato, zucchini