Nestlé Rowntree is giving its bubbly chocolate brand Aero a makeover, which it expects to add more than £28m in sales in the coming 12 months.

The revamp includes bitesized new product development, new packaging, an updated recipe and a £6m marketing programme.

The big news is the launch of Aero Bubbles, dual-coloured bitesized peppermint chocolate balls, expected to add £25m in sales to the brand.