Atannayita: y’atenda nnyina obufumbi (=okufumba) (Ganda)
The person who has not travelled widely thinks his or her mother is
the only cook (the best cook). Ganda (Uganda)

Also found in: Akamba and Gikuyu (Kenya) Igbo and Yoruba (Nigeria) Haya (Tanzania) Bemba (Zambia)