These are some of the many useful resources online to help you achieve your daily target:
https://www.guysandstthomas.nhs.uk/resources/patient-information/gi/increasing-the-amount-of-fibre-in-your-diet.pdf
https://www.med.umich.edu/mott/pdf/mott-fiber-chart.pdf
https://www.stjoes.ca/patients-visitors/patient-education/patient-education:-f-j/fibre-eating-more.pdf_2