Oscar scored a first-half hat-trick and Hazard, on his first start in four weeks following a groin injury, converted a penalty for his first goal since May.
The win to set up a fifth-round home tie with Manchester City.
VIDEO: Guus Hiddink says Chelsea's FA Cup time with Manchester City is '˜like a final'
Chelsea interim boss Guus Hiddink was pleased to see Eden Hazard end his 31-game goal drought in Sunday's 5-1 FA Cup win at MK Dons.
By The Newsroom
Monday, 1st February 2016, 8:32 am
Updated Monday, 1st February 2016, 8:34 am
