The Red Devils beat their MLS opponents 2-1 after coming from behind to win thanks to goals from Henrikh Mkhitaryan and new signing Romelu Lukaku.
The £75m forward rounded the keeper in the 37th minute to hit the back of the net for the first time in a Manchester United shirt.
Jose Mourinho decided to splash the cash on the Belgium international after failing to agree a fee with Real Madrid for the transfer of Alvaro Morata.
Lukaku netted 25 times in the 37 Premier League matches he played last season.
And it looks as though he'll continue to score goals for his new side following his big-money move.
Click through the gallery above to see photos of Romelu Lukaku's first goal for Manchester United against Real Salt Lake.
