Frank Lampard’s second-half header maintained Chelsea’ top four spot and leaving Blackburn Rovers without a league win since September.
The England midfielder converted Banislav Ivanovic’s cross to earn all three points, despite ample Rovrs pressure late on.
Gael Givet could have grabbed a point but struck the bar, as calls for the sacking of Steve Kean swelled at Ewood Park.
Andre Villas-Boas had already admitted to feeling the pressure at Stamford Bridge following a nightmare week for The Blues, and the Portuguese boss knew his side ha to get back on track against a Rovers side who were languishing in the bottom three.
Steve Kean’s men had shown decent attacking potency in their last outing against Norwich City, but his side were unable to put the visitors to the sword when Yakubu missed the target in-front of goal after Mauro Formica’s run.
A long period of treatment to goalkeeper Petr Cech slowed the affair down dramatically, until the introduction of Fernando Torres at half-time sparked Chelsea into life.
Branislav Ivanovic’s excellent cross found Frank Lampard, whose diving header found the bottom corner.
The closing stages saw Gael Givet hit the bar and Torres miss a free header, but The Blues eventually salvaged their first league win since mid-October.