Triple murderer Erin Patterson will have maximum security in jail due to risks from other prisoners

The 50-year-old's been jailed for life with a non-parole period of 33 years - after feeding her in-laws beef Wellingtons laced with poisonous death cap mushrooms in 2023.

Patterson's also been sentenced for the attempted murder of the sole survivor of the lunch - Ian Wilkinson.

Australia correspondent Oliver Petersen says Patterson faces 22 hours of solitary confinement a day for the next three decades.

He says the only other person in that part of the prison is a terrorist.