Preheat oven to 400°F (200°C)
Cut sweet potato into even-sized wedges, about 1-inch thick
Toss sweet potato wedges with 1/2 tablespoon olive oil, half of the rosemary and thyme, salt, and pepper
Arrange sweet potato wedges on a baking sheet and roast for 20-25 minutes, flipping halfway through
Trim woody ends from asparagus spears and toss with a drizzle of olive oil, salt, and pepper
Add asparagus to the baking sheet during the last 10 minutes of sweet potato cooking time
Meanwhile, heat remaining olive oil in a large skillet over medium heat
Add ground turkey to the skillet, breaking it up with a spatula
Season turkey with remaining rosemary, thyme, salt, and pepper
Cook turkey for 8-10 minutes until browned and cooked through (165°F internal temperature)
Assemble bowl by placing sweet potato wedges and asparagus on one side and ground turkey on the other
Garnish with any remaining fresh herbs if desired