Cartwright & Butler – Chocolate Chunk Biscuits Tin Cartwright & Butler Chocolate Chunk Biscuits, Presented In A Reusable Embossed Biscuit Caddy With An Air Tight Seal. Established In 1981, Cartwright & Butler Roots Begin With The Team Making Homemade Jam And Selling In A Craft Gallery. As Popularity Grew And They Expanded Their Range, They Are Now Committed To Producing Luxury, Handmade Products Using Quality Recipes.