The idea for the company came about over dinner a few years ago.
The two friends, who met at Otago University, worked together at Tip Top and went to the UK, decided to brainstorm about starting a business over a meal.
Crownshaw was in charge of the main course and McCarthy, the dessert. Stopping at the supermarket to find something to contribute, McCarthy was shocked at the lack of choice. "There was really nothing there that fitted the occasion," she says.
In the UK, Marks & Spencer and Waitrose had always done it well. She arrived at dinner, saying, "I know what we are going to do."
They bombarded their friends at dinner parties with different concepts. Their work colleagues have also been encouraging.
"Lots of people, from different parts of the company, said if you need help in this area let us know," says McCarthy, who worked in marketing at Griffin's until November.
Both McCarthy and Crownshaw went part-time before leaving completely. Going full time on the business, was a bit scary, McCarthy says.
"But we did it progressively, and by then felt that it was a concept that was going to work."
The two directors are well matched in their skills. Crownshaw, a food technologist, who worked with a high-end chocolate company in the UK, and most recently for Healtheries, is in charge of product development, operations and manufacture at Dollop. McCarthy does sales, marketing and finance.
Dollop Puddings started off selling to the speciality food store Farro Fresh and are now in Nosh, Moore Wilson's and in selected New World and Countdowns - a total of 65 stores altogether.
Crownshaw and McCarthy have had a business mentor from the beginning, David Granger, a former GM of EasiYo.
The pair has just signed up an investor who has taken a 20 per cent shareholding. He has other interests in food businesses.
The two entrepreneurs have their sights on Australia and beyond. They have concluded it is best to go through a distributor there and intend doing some of the food shows in New South Wales and Victoria.
As an exit strategy, McCarthy says she likes the Charlie's example, but she knows she and Crownshaw haven't done their 10,000 hours quite yet.
Meanwhile, they will be extending their range.