Peel and dice the potatoes into 1.5 cm cubes.
Combine all other ingredients (except cooking oil and sesame seeds) in a bowl.
Add the sauce mix and simmer for 5 to 7 minutes.
It is ready when the liquid has reduced to a syrupy consistency.
2 (formerly 3) grown ups sharing a kitchen in inner city Melbourne. Both determined to eat very well for under $10/meal each. A place to share recipes, stories and cooking tips and, of course, to convert "meal in a box" believers and takeout food regulars