The Liverpool striker, currently serving a 10-game domestic ban for his bite on Chelsea defender Branislav Ivanovic in the Barclays Premier League clash at Anfield in April, opened the scoring from the spot after he had been felled by Christian Ramos.
Back with a bang: Luis Suarez celebrates his first goal against Peru
Still got it: Suarez shows that despite not playing for Liverpool due to a ban that he can still score at international level
Showing his worth: Suarez enjoys his goals against Peru
But he was at the centre of a flare-up two minutes later when he was fouled from behind by Josepmir Ballon. Victor Yotun waded in needlessly, suggesting Suarez had gone to ground too easily, and was sent off after a brief melee.
Suarez exacted full revenge after 66 minutes with a wonderful second goal before Schalke winger Jefferson Farfan netted a late consolation with a fine free-kick.
Spot on: Suarez scores a penalty against Peru
Back of the net: Peru's goalkeeper Raul Fernandez fails to block a shot by Suarez
Going down: Suarez falls under the challenge of Perus Rinaldo Cruzado (R) and Christian Ramos
Floored: Suarez lies on the ground as a brawl starts between Peru and Uruguay's players
Job done: Suarez celebrates at the end of the game
The win leaves Uruguay fifth in the Conmebol qualifying section - a place which, should they remain there after the final three rounds, would see them advance to an intercontinental play-off against an Asian nation.
