Betis had a glorious chance to make it 3-0 when they were awarded a penalty moments later, but Molina thumped the crossbar with his effort.
It was three moments before the interval, however, when Dorlan Pabon fired into the back of the net from close range.
The second period was just about as uneventful as they come, with the points secured for Betis in the first 45 minutes.
Read how it all unfolded in Sports Mole's minute-by-minute live commentary of the action below.
BETIS: Adrian; Nacho, Angel, Mario, Amaya; Benat, Canas, Carlos, Molina; Pabon, Campbell
MALAGA: Caballero; Demichelis, Lugano, Antunes, Sanchez; Joaquin, Toulalan, Camacho, Isco; Portillo, Saviola