Preheat oven to 375 degrees. Lightly oil a baking sheet or coat with nonstick spray.
Cut carrots in half
Place carrots in a single layer onto the prepared baking sheet. Add olive oil, balsamic vinegar, garlic and thyme; season with salt and pepper to taste. Gently toss to combine.
Place into oven and bake 35-40 minutes or until tender.