The 18-year-old found the back of the net with his left and right foot during the 5-2 win over Bournemouth on Saturday, bringing his total for the season up to 15 in all competitions.
The Reds have now registered 12 goals in four Premier League games since the restart, and Cole believes Ole Gunnar Solskjaer has been working with his players on their finishing on the training ground.
“The break’s done us really well. I think it’s galvanised everyone,” the Treble winner told Monday's MUTV Group Chat.
“No doubt Ole’s had a chance to speak with everyone about getting more goals, and getting more ugly goals as well.