Preheat your oven to 400°F and line a large rimmed baking sheet with parchment paper.
Cut the chicken breast into 1-inch cubes and halve the cremini mushrooms.
Trim the woody ends off the asparagus spears and cut them into 2-inch pieces.
In a small bowl, whisk together the melted ghee, minced garlic, chopped thyme, and chopped rosemary.
Place the chicken, mushrooms, and asparagus on the prepared baking sheet.
Drizzle with olive oil and season with sea salt and black pepper, tossing to coat evenly.
Pour the garlic-herb ghee mixture over the ingredients and toss once more to ensure everything is well-coated.
Spread into a single layer and roast for 18 to 20 minutes, or until the chicken is cooked through and the mushrooms are golden brown.