Preheat oven to 425 degrees Farenheit
Arrange carrots, garlic and onions in a single layer on a greased baking sheet.
Drizzle 2 tbsp. of olive oil over the vegetables. Season with rosemary, and salt and pepper to taste.
Roast in the oven until the chicken skin is golden and the carrots are tender, 15 to 20 minutes.