Add the carrots to a baking dish, drizzle with olive oil and maple syrup, then sprinkle with garlic powder, thyme, salt, and pepper. Toss to coat evenly.
1 lb carrots, peeled and cut into diagonal slices, 1 ½ tbsp olive oil, 2 tbsp maple syrup, 1 tsp garlic powder, ½ tsp dried thyme, ½ tsp salt, or to taste, ¼ tsp black pepper, or to taste