Preheat your oven to 400°F and line a baking sheet with parchment paper.
Toss the asparagus spears with a small drizzle of the olive oil and a pinch of sea salt, then roast for 12 minutes until tender.
Pat the tilapia fillets completely dry with paper towels to ensure a proper sear.
Season both sides of the fish evenly with sea salt, black pepper, and garlic powder.
Heat the remaining olive oil in a large non-stick skillet over medium-high heat until shimmering.
Carefully place the tilapia in the skillet and sear for 3 to 4 minutes per side until the crust is golden and the fish flakes easily with a fork.
Remove the tilapia from the pan and set aside on a plate; reduce the skillet heat to medium-low.
Add the ghee and minced garlic to the pan, sautéing for 1 minute until the garlic is fragrant but not browned.
Whisk in the fresh lemon juice and chopped parsley to create a bright, emulsified sauce.
Place the cooked quinoa on a plate, top with the tilapia fillets, and drizzle the lemon-herb sauce over the fish.
Serve immediately with the roasted asparagus on the side.