Prepare the Quinoa : Rinse quinoa thoroughly under running water. Add quinoa and water or broth to a saucepan. Bring to a boil, reduce heat, cover, and simmer until fluffy. Roast the Vegetables Preheat oven to 200°C (400°F). Toss vegetables with olive oil, salt, pepper, and garlic powder. Roast until tender and lightly caramelized.
Prepare the Salmon : Whisk maple syrup, soy sauce, mustard, garlic, olive oil, salt, and pepper. Brush glaze generously over salmon fillets. Bake or pan-roast until salmon is flaky and glazed.