Victorian woman, 50, has pleaded not guilty to three charges of murder and one of attempted murder after a fatal beef wellington lunch in Leongatha in 2023. Follow live

• Who are Erin Patterson and the other key figures in Australia’s mushroom trial?

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Prosecutor Nanette Rogers SC turns to evidence about factory resets performed on the mobile referred to as “Phone B”.

The court previously heard four resets – one in February 2023 and three in August 2023 – were performed on the phone that Erin Patterson provided to police during the search on 5 August 2023.

Rogers says one of these resets were done when she was left alone to call a lawyer while police searched Patterson’s Leongatha home.

Patterson rejects this and says she phoned a lawyer at 2pm.

Rogers says Patterson performed the three factory resets after the lunch to “conceal” the contents on Phone B.

Patterson rejects this.

Rogers then turns to her final points in the cross-examination.

She suggests Patterson deliberately sourced death cap mushrooms in 2023.

Patterson rejects this.

Rogers says Patterson deliberately included death cap mushrooms in the beef wellingtons she served her lunch guests.

It’s an agreed fact in this case.... that this [phone number] lost connection ... could be due to:

a. The sim card being removed from the handset;

Victorian woman, 50, has pleaded not guilty to three charges of murder and one of attempted murder following a fatal beef wellington lunch in Leongatha in 2023. Follow live

Prosecutor Nanette Rogers SC says Erin Patterson’s son gave evidence that she did not tell him she was sick on the day of the lunch.

“I don’t know if I did or I didn’t,” Patterson says.

The first thing he said to me was something like: I’ve got a sore tummy.

How could I? It’s vomit. Unless you can see a bean or a piece of corn.

Patterson also tells triple-murder trial she’s ‘puzzled’ clinic she says she had an appointment with for a gastric bypass offers no such surgery

• Who are Erin Patterson and the other key figures in Australia’s mushroom trial?

Erin Patterson says she is “puzzled” that a clinic in which she said she had an appointment for a gastric bypass offers no such surgery, and denies lying about making herself vomit in the hours immediately after the beef wellington lunch, a court has heard.

In her sixth day in the witness box, Patterson was repeatedly asked under cross-examination by prosecutor Nanette Rogers SC whether she was lying about the deadly lunch and other parts of her evidence before her triple-murder trial.