Mars bar overtakes Kit Kat as the most popular chocolate bar, along with Cadbury’s Dairy Milk.

CONSIDERING that the makers of Kit Kat went all the way to the European Court to protect their famous slogan, it is ironic that consumers are indeed having a break — from Nestlé Rowntree’s flagship product.

Sales of the company's best-selling chocolate bar for years the most popular in Ireland and the UK have plummeted in the past year.

So marked is the fall that the company's new managing director, Chris White, announced: "Nestlé Rowntree is a business in crisis."