Education
She was educated at Belfast Royal Academy and the University of Edinburgh where she read modern languages.
She was educated at Belfast Royal Academy and the University of Edinburgh where she read modern languages.
In 2000 she was approached by the French publisher, Marabout, to write a cookbook. Her second book, Subsequent books have included Mes petits plats préférés (2003). Fêtes maison (2003) about party food.
J"en veux encore (2004) about food for children and Du caramel plein la bouche (2005).
Foreign Marabout also, Deseine has produced small format books – Les apéros de Trish, Trifles, Best of Chocolate and Bonbons Forever. Ma petite robe noire et autres recettes (October 2006) explores the connection between wardrobe staples and food (basics, vintage, classics, accessories, etc).
A book for the English-speaking market – Nobody Does lieutenant Better – which celebrates the best in contemporary French cooking was published by Kyle Cathie in early 2007. Her first English-language television series, the twelve part RTÉ/British Broadcasting Corporation co-production Trish"s Paris Kitchen was broadcast in Ireland in 2008 and in the United Kingdom in 2009 on UKTV Food.
Two further series, Trish"s Country Kitchen and Trish"s Mediterranean Kitchen were broadcast on Raidió Teilifís Éireann, Good Food Channel and British Broadcasting Corporation Lifestyle.
Her second English language book Trish"s French Kitchen was published alongside the series in September 2008. She also produces sweet recipes for French ELLE. Her book Grande table, petite cuisine was published in France in September 2012. Her book The Paris Gourmet (Louisiana Gourmande) was published in September 2013.
Her first book Petits plats entre amis was published in 2001 and won the Ladurée and SEB prizes. (2002) won a World Gourmand Cookbook Award and has sold over 500,000 copies to date. lieutenant won the 2007 Prix la Mazille at Périgueux, making Deseine the first non-French writer to receive the prize.