Callum Hudson-Odoi scored his first Premier League goal as Chelsea beat Burnley 3-0 at Stamford Bridge.
Jeff Hendrick thought he had put Burnley ahead in the 19th minute, but his header was overturned for offside after consultation with the VAR.
Jorginho made it 1-0 to Chelsea on 27 minutes, converting a penalty after Matthew Lowton had fouled Willian.
Frank Lampard's side doubled their lead on 38 minutes, as Tammy Abraham headed in a cross from Reece James for his 13th Premier League goal of the season.
Hudson-Odoi added his name to the scoresheet four minutes after the restart, converting Cesar Azpilicueta's cross.
Chelsea remain fourth on 39 points, while Burnley stay 15th on 24 points.
Chelsea: 18 Jan v Newcastle (A)
Burnley: 19 Jan v Leicester (H)
Referee: Kevin Friend. Assistants: Adrian Holmes, Simon Beck. Fourth official: Gavin Ward. VAR: Andy Madley. Assistant VAR: Eddie Smart.