Option 1: Walk to the Campo Grande station and take the Green Line (direction Cais do Sodré). Get off at Rossio station and walk down Rua da Prata until reaching the restaurant in Terreiro do Paço.
Option 2: Walk to the Campo Grande station and take the Yellow Line (direction Rato). At the Marquês de Pombal station, change to the Blue Line (direction Santa Apolónia) and get off at Terreiro do Paço station.
Option 3: Walk to the Campo Grande station and take the Green Line (direction Cais do Sodré). At the Baixa-Chiado station, change to the Blue Line (direction Santa Apolónia) and get off at Terreiro do Paço station.