An Australian woman who murdered three of her in-laws with a meal of toxic mushrooms also allegedly tried to murder her husband using poisoned pasta, a chicken curry and a sandwich wrap, evidence showed on Friday after a judge allowed its disclosure.

Authorities in Australia have said Erin Patterson attempted to poison her husband on multiple occasions before serving a deadly mushroom meal that killed three people.

Erin Patterson was found guilty of murdering three of her husband's family members, including his parents, by serving them a meal full of death cap mushrooms.

Simon Patterson claimed his former wife, Erin Patterson, who was found guilty of killing her ex-in-laws and a third family member by poisoning them with death cap mushrooms, tried to murder him with pasta,