Each Eriksen and fellow United compatriot Rasmus Hojlund started the competition, with Pierre-Emile Hojbjerg placing via his personal internet to open the scoring.
Lazio man Gustav Isaksen equalised simply earlier than the interval to set-up an thrilling second half at Parken Stadium.
Isaksen then turned supplier on 67 minutes, teeing up Eriksen to fit residence previous Pierce Charles to finish the turnaround for Denmark.
His newest strike additionally means the soon-to-be departing United man is now third place in his nation’s all-time scoring charts, with 45 targets to his identify.
