Two weeks on from a last-gasp 2-1 defeat at Arsenal, Leicester City were on course to drop points again until Leonardo Ulloa tapped in at the death to send Claudio Ranieri's side five points clear at the top of Premier League.
Chelsea F.C. host Manchester City on Saturday.
Branislav Ivanovic's goal in Chelsea's 1-0 vs Liverpool in the match gave Jose Mourinho's side a 2-1 aggregate win.
Speaking the morning after the game, Paul Lambert once again refused to divulge the content of his post-match discussion with the referee but said that Chelsea would not have been denied a penalty had they made an appeal in similar circumstances.
Victory in an occasionally ill-tempered game will give Chelsea boss Jose Mourinho enhanced belief that his side are ready for the battle sure to await them at Manchester United on Monday.
Ivanovic said he had forgiven Suarez for biting him during Chelsea's game against Liverpool in April, an infamous misstep which earned the controversial Uruguayan a 10-match ban.
The Liverpool forward, who has been fiercely criticised by the English media for his on-field antics, has been linked with Real Madrid.
The controversial Uruguayan finished the campaign as the club's top scorer with 23 league goals.
Chelsea will now hold both European club trophies until May 25, when Bayern Munich and Borussia Dortmund play this season's Champion's League final in London.
Uruguay striker Suarez, 26, was suspended on Wednesday after he was shown to have bitten Chelsea's Branislav Ivanovic on the arm last weekend.
The Football Association claimed that the standard suspension of three matches was insufficient for Suarez's bit on Chelsea's Branislav Ivanovic during a Premier League match at Anfield.
Suarez apologised to Ivanovic in a phone call on Sunday evening and the Serbia international was quick to play down the incident when asked if he wished to press charges following complaints to Merseyside Police.
The Uruguay striker dug his teeth into Chelsea defender Branislav Ivanovic's arm during Sunday's Premier League match before netting a last-gasp equalizer to clinch a 2-2 draw.
Luis Suarez has been fined by Liverpool for biting an opponent, and has been offered anger management counseling by England's footballers' union.
Liverpool striker Luis Suarez apologized on Sunday for his "inexcusable" behavior after biting Chelsea defender Branislav Ivanovic during a 2-2 draw at Anfield on Sunday, while manager Brendan Rodgers called the incident "unacceptable."
Suarez appeared to bite Ivanovic's upper arm but referee Kevin Friend did not appear to see the incident and took no action.
Chelsea was playing its fourth game in nine days but still had enough energy to come from behind, with Branislav Ivanovic netting the winner after both sides scored an own goal.
Chelsea were gifted an opportunity to open the scoring early in the second half when Hart was adjudged to have fouled Demba Ba, but the England goalkeeper redeemed himself with an excellent save from Lampard's spot-kick.