Nagi Maehashi has spoken out after it was revealed that her beef Wellington recipe was used by killer Erin Patterson as part of a grisly murder plot.
Patterson was on Monday found guilty of murdering her three in-laws with death cap mushrooms in a beef Wellington that she served them for lunch in 2023.
Chef Maehashi revealed on Tuesday that she was saddened that her recipe, which she created to bring ‘joy and happiness’ to others, was at the centre of such a horrific murder and subsequent trial.
Maehashi’s beef Wellington appeared in the ‘Dinner’ volume of her RecipeTin Eats series, published in 2022.
‘It is of course upsetting to learn that one of my recipes – perhaps the one I’ve spent more hours perfecting than any other – something that I created to bring joy and happiness, is entangled in this tragic situation,’ the cook wrote in an Instagram Stories post on Tuesday.
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Nagi Maehashi (pictured) has spoken out after it was revealed that her beef Wellington recipe was used by killer Erin Patterson as part of a grisly murder plot

Chef Maehashi revealed on Tuesday that she was saddened that her recipe, which she created to bring ‘joy and happiness’ to others, was at the centre of such a horrific murder and subsequent trial
‘Other than that, I have nothing to say and I won’t be talking to anyone. Thank you for respecting my privacy.’
Maehashi addressed the statement to the ‘journalists of Australia’ and unusually added a red and white mushroom emoji.
Crime scene photos supplied to the Supreme Court of Victoria showed Patterson’s copy of the RecipeTin Eats cookbook sitting on a counter with a section bookmarked.
The beef Wellington recipe within was used as the basis for a tainted dish, which was modified by Patterson to include poisonous death cap mushrooms.
The mother-of-two had pleaded not guilty to the murders of Don and Gail Patterson, and Gail’s sister, Heather Wilkinson.
They died after consuming death caps in the beef Wellington during lunch at Patterson’s Leongatha home in southeast Victoria on July 29, 2023.
Only Pastor Ian Wilkinson survived her plot – a blunder Patterson would live to regret, and will now serve time for after also being found guilty of attempting to murder him.
Asked to deliver a verdict, the jury foreperson – one of only five women to sit on the original 15-person panel – simply stated, ‘guilty’.

Patterson (pictured) was on Monday found guilty of murdering her three in-laws with death cap mushrooms in a beef Wellington that she served them for lunch in 2023

Crime scene photos supplied to the Supreme Court of Victoria showed Patterson’s copy of the RecipeTin Eats cookbook (pictured) sitting on a counter with a section bookmarked

The beef Wellington recipe within was used as the basis for a tainted dish (pictured), which was modified by Patterson to include poisonous death cap mushrooms
The verdict produced an audible gasp from those within the packed courtroom, which included members of the Patterson clan.
It comes just weeks after Maehashi made global headlines by accusing TikTok star and fellow cookbook author Brooke Bellamy of plagiarism.
In a post shared on her website and social media, Maehashi claimed Bellamy’s debut cookbook Bake With Brooki featured two recipes that closely resembled her own: caramel slice and baklava.
Maehashi alleged Penguin Australia, the publisher of Bellamy’s cookbook, had ‘exploited’ her work without permission.
‘To me, the similarities are so specific and detailed that calling these a coincidence feels disingenuous,’ Maehashi claimed.
‘There are also recipes from other authors… where the similarities are so extensive, dismissing it as coincidence would be absurd (in my opinion).’
Maehashi said she felt compelled to speak out against the publishing giant.
‘Staying silent protects this kind of behaviour,’ she said.
Bellamy has vehemently denied the accusations.