Kai Havertz starred in a false nine role at Stamford Bridge, with the Germany playmaker twice denied a goal before winning Chelsea’s penalty.
New boss Thomas Tuchel’s stunning start to life in west London extended to an 11th match without defeat and a ninth clean sheet.
Where Chelsea were leaky and hesitant under Frank Lampard, Tuchel has quickly recalibrated the Blues into a mean defensive machine.
Chelsea have conceded just two goals on Tuchel’s watch, and their second win over a Merseyside opponent in five days tightened the Blues’ grip on fourth place in the league table.
After Thursday’s comprehensive 1-0 win over Liverpool at Anfield, here was another assured victory over a north-west rival.
Follow the action with James Robson at Stamford Bridge on our LIVE match blog.