The Duchess of Sussex called volunteers at a Grenfell community kitchen to mark the fifth anniversary of the fire tragedy.
The Hubb Community Kitchen said Meghan Markle left a "lovely voice message" and asked, "how we are, about our children and families and giving us news of hers".
In a Facebook post, the group said the mum-of-two - mother to Archie, three and Lilibet, one - was "just being her beautiful kind self".
The Hubb Community Kitchen evolved after a group of local women affected by the devastating 2017 fire gathered to prepare fresh food for their families and neighbours in the aftermath.
Meghan collaborated with volunteers by supporting the creation and writing the foreword for their award-winning charity cookbook Together: Our Community Cookbook.
The Kitchen's post read: "I just found this picture of us all, on the day our cookbook came out.
The Duchess had wrapped a book for each one of us and wrote a lovely message to each lady on the first page.
"Always very thoughtful, today we received a lovely voice message from the Duchess, being the five years anniversary of the Grenfell tragedy, asking how we are, about our children and families and giving us news of hers.
"Just being her beautiful kind self."
Meghan was back in the UK for the Platinum Jubilee earlier this month with the Duke of Sussex, Archie and Lilibet.
She made an appearance with Harry at the service of thanksgiving held to mark the Queen's milestone.
The Duke and Duchess of Cambridge joined Grenfell survivors and the bereaved at a memorial service on the fifth anniversary of the fire on Tuesday.
Kate and William were among those who observed a 72-second silence at the base of the tower in north Kensington, London, in memory of the 72 men, women and children who died in 2017.
At the conclusion of the silence applause broke out.
Hundreds of people gathered in the shadow of the tower for a multi-faith service.
The Duke and Duchess of Cambridge chatted with attendees before taking their seats in the front row for the service.
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The royal couple previously accompanied the Queen, 96, to meet those affected by the fire in June 2017, greeting local residents, members of the community and emergency responders.
Kate and William most recently met Grenfell survivors during a visit to mark the launch of the National Emergencies Trust, of which The Duke is a patron, back in November 2019.
It emerged last month the Government is set to keep the controversial “stay-put” policy, meaning residents should remain in their flats in the event of a fire on the basis that the flames should be compartmentalised.
It was a key recommendation of phase one of the inquiry to scrap that policy in the wake of Grenfell.
