The League Two outfit made things difficult for Eddie Howe's side, which featured eight changes from the Magpies team that drew 1-1 with Manchester City at the weekend.

The contest was decided by Schär's spot kick before the break at St. James' Park, with the Swiss defender stepping up to roll home the winner from 12 yards after Miguel Almirón had been fouled by Joe Pigott.

United will now take on Chelsea on Tyneside in the next round later this month, where they will once again hope a packed St. James' can help push them into the quarter-finals.

Serena Taylor was there in midweek to bring newcastleunited.com this gallery.