. Place potato in a medium saucepan; cover with an inch of water. Bring to a boil. Reduce heat; simmer 5 minutes or until tender. Drain.
. While potato cooks, combine balsamic vinaigrette and next 4 ingredients in a small bowl, stirring with a whisk.
. Pour mixture over hot potato, tossing to coat. Spoon potato mixture into an 11 x 7-inch baking dish; sprinkle evenly with goat cheese.
. Broil 5 minutes or until cheese is lightly browned.