After a first half of little action, the contest sparked into life when Nicolas Dominguez fired the home team in front in the opening minutes of the second 45.
Nuno Espirito Santo's side were on their way to a first home win under the new manager's tenure, until Rashford's 78th-minute strike briefly appeared to stifle that, but Gibbs-White would have the final say shortly after, with an effort that was enough to earn Forest all three points.
It means a disappointing defeat closes out the calendar year for Ten Hag's side. Here are eight talking points following the clash in the East Midlands.