BRAND STORY Moonflake Mornflake began milling oats in the South Cheshire countryside in 1675, there they are still based today. They have over 30 different products ranging from oat crunchies, crispy muesli to deliciously moreish chocolatey squares, and not forgetting the traditional oat which makes the heartwarming creamy porridge. Country-of-Origin United Kingdom Quick Facts UK's Oldest Cereal Company Mornflake is the UK’s oldest cereal company for over 330 years of milling experience. Leading by the 15th family generation and reported the 4th oldest family Company in UK. Mornflake has won numerous awards for their quality and service.