Seagar has said a significant decline in tourism numbers after the 2010 and 2011 Canterbury earthquakes and an "impatient" Inland Revenue had hastened the demise of her businesses.
The final report by liquidators Deloitte in January showed there was $48,830 left after liquidation costs were settled. Preferential creditors were still owed almost $144,000, and unsecured creditors more than $350,000.
" It seems like we worked terribly hard for ten years for nothing," Seagar said. "But we will come right."
Seagar is writing her magazine column and doing food tours.
Her new book focuses on the importance of good table manners as much as recipes.
Elbows Off the Table, Please is peppered with advice on how to navigate any social occasion and make it truly special.
"It does matter if people speak with their mouth full or are waving knives around at the table," she said. "Even worse is people who sit at the dinner table and text other people.
"But I'd like to think I am more of a wise granny rather than an old school teacher."
• Elbows Off the Table, Please is published by Penguin/Random House and is available from book shops from September 1.