Despite his night ending on a sour note with a knee injury it could not dampen Welbeck's mood of elation at securing a place in the last eight of the competition.
Welbeck scored the winner against Wolves in the third round and was part of the United side that lifted the trophy last season when they defeated Tottenham.
He said: "It is great to get further in the cups. I'm already looking forward to the quarter-finals. We'll certainly enjoy it and do our best.
"We controlled the game against Barnsley in the second half. The youngsters did well and the experienced players in the team helped us massively."