Honey Balsamic Glazed Whole Roasted Carrots

bunches baby carrots (go for the ones that have the tops still on!) 1 tablespoon extra light olive oil 3/4 teaspoon kosher Salt 1/4 teaspoon freshly ground black pepper 4 sprigs fresh thyme (optional) 2 tablespoons balsamic vinegar 2-1/2 tablespoons honey