Bring broth and salt to a boil in a saucepan.
Add quinoa, reduce heat to low, cover, and simmer for 15 minutes.
Fluff quinoa with a fork and set aside.
Preheat the oven to 400°F (200°C).
Toss asparagus with olive oil, garlic powder, salt, and pepper.
Spread asparagus on a baking sheet and roast for 10–12 minutes until tender-crisp.
In a small bowl, combine olive oil, lemon zest, lemon juice, minced garlic, oregano, thyme, paprika, salt, and pepper.
Brush the lemon herb mixture over the salmon fillets.
Place salmon on a lined baking sheet and bake at 400°F (200°C) for 12–14 minutes until salmon flakes easily.
Optional: Broil salmon for the last 2 minutes for a golden top.
Serve quinoa topped with salmon and roasted asparagus. Garnish with fresh herbs and lemon wedges.