Eric Maxim Choupo-Moting scored a second-half brace, including a sublime solo goal, as titleholders PSG bounced back from their 2-1 defeat against Rennes the week before.
Cameroon international Choupo-Moting, who came in for Cavani, danced through the Toulouse defence to break the deadlock in the 50th minute and an unlucky own goal...
Paris St Germain claimed their eighth Ligue 1 without kicking a ball on Sunday after second-placed Lille were held to a goalless draw at Toulouse.
PSG have 81 points after 32 games and cannot be caught as they lead Lille, who have played one more game, by 16 points with five games remaining.
Thomas Tuchel's side host Monaco later on Sunday. It is the capital side's sixth top flight title in the last seven seasons.
PSG are on course for a domestic double as they face Rennes in the French Cup final...
Paris Saint-Germain forward Kylian Mbappe scored his 27th goal of the season as the runaway leaders edged closer to the Ligue 1 title with a hard-fought 1-0 win at Toulouse on Sunday.
Mbappe struck in the 74th minute to put PSG on 80 points from 29 games and on the brink of retaining the title with second-placed Lille, who beat Nantes 3-2 away earlier on Sunday, still 20 points behind having played a game more.
Thomas Tuchel's side will be crowned next weekend if they beat Racing Strasbourg and...
Lyon forward Moussa Dembele struck two second-half goals to round off a thumping 5-1 win over visitors Toulouse in their Ligue 1 clash at the Groupama Stadium on Sunday.
Memphis Depay opened the scoring for the third-placed home side after 10 minutes but the lead was short-lived as Matthieu Dossevi put Toulouse back on level terms five minutes later.