Rinse quinoa thoroughly under cold water.
In a saucepan, combine quinoa, salt, and water. Bring to a boil.
Reduce heat, cover, and simmer for 15 minutes.
Remove from heat and let sit covered for 5 minutes, then fluff with a fork.
Preheat oven to 425°F (220°C).
Spread vegetables on a large baking sheet.
Drizzle with olive oil and season with salt, pepper, garlic powder, and oregano.
Toss well and arrange in a single layer.
Roast for 30 minutes until tender.
Flip vegetables and broil for 5 minutes for a caramelized finish.
Divide quinoa into bowls, top with roasted vegetables, and drizzle with tahini sauce.
Garnish with parsley and serve your Roasted Vegetable Quinoa Bowl warm.