For over 140 years, the humble oat has inspired Quaker to make delicious porridge, cereal, granola and more. 10 delicious Quaker Oat So Simple sachets with 100% wholegrain Quaker rolled oats. - The creamy goodness of 100% British wholegrain oats, combined with the sharp, sweet flavour of apple and blueberry - it's enough to get your mouth watering.