Etta Richardson (left) packs the cakes for delivery to Windsor

Etta Richardson, 74, from Llansteffan, Carmarthenshire, was asked to make 20 cakes for the wedding.

The prince developed a taste for the cakes on his tour of Wales in 2004.

The royal wedding has been postponed for the prince to attend the Pope's funeral, but Mrs Richardson delivered the cakes on Monday ahead of time.

Mrs Richardson told BBC Wales she had been busy baking the cakes, which are made to a 50-year-old secret recipe handed down from her mother.

The royal wedding will now be held on Saturday

She added: "It's been hectic but I'm delighted.

"We've worked hard all week and (the day) is here."

But following her hard work she added: "I think I'll have a week's holiday."

Mrs Richardson said she had received orders from countries including Australia, Denmark, New Zealand and France as a result of the publicity generated by the Prince of Wales' order.

The wedding order is not the first time the prince has made a royal request for Mrs Richardson's fruit cakes.

After visiting Llansteffan in August 2004 Prince Charles put in a request for eight of them.

Etta Richardson usually bakes the cakes at Christmas

The cakes, which Mrs Richardson usually only bakes at Christmas, were sent by courier to Highgrove with an invoice for �3.99 for each cake, plus package and posting.

Prince Charles also asked one of his aides to buy a cake so he could have a few slices on the royal helicopter as he continued his Welsh summer tour.

The prince's wedding has been put back until Saturday to allow him to attend the Pope's funeral in Rome.