كتب : وكالات
Luis Figo opened the score for Inter before Recoba bagged a brace on both sides of the intervals to secure his side's victory, while Goran Pandev scored Lazio's only goal in the 54th minute.
Inter come at third place in the Italian league standings with a tally of 65 points, two points behind AC Milan, while Lazio remain seventh with 42 points.
Figo grabbed the lead for the hosts after controlling a Recoba volley and firing curled left-footer into the far angle of the net in the 37th minute.
Recoba turned from provider to scorer in the 46th minute when he stretched the lead with an amazing header then notched the third with a powerful strike in the 72nd minute.
Pandev pulled one back for Lazio after tapping a Zauri cross from six yards straight into the Inter net.
Meanwhile, an Andriy Shevchenko brace inspired AC Milan to thrash Udinese 4-0 at the Stadio Friuli.
The talented Ukrainian striker opened the score for Milan in the 41st minute after finishing an inch-perfect into the net.
Alberto Gilardino doubled their lead after connecting with a Costacurta pass and placing his shot past goalkeeper Morgan De Sanctis on the hour-mark.
Shevchenko scored his second goal and the team's third after sidefooting the ball into the far corner before Clarence Seedorf finished off an excellent team effort with a superb finish.
Milan come in second with 64 points, six behind leaders Juventus, while Udinese are only two places away from the relegation zone with a tally of 28 points.
In other matches, Chievo beat Siena 4-1, Fiorentina defeated Ascoli 3-1, Parma suffered a 2-1 defeat to Lecce, Empoli cruised 2-0 past Reggina, Sampdoria were beaten 2-0 by Palermo and Roma defeated Messina 2-0.