As all those following the Slimming World diet plan will know, finding new recipes to negotiate your way through the rules while sticking to plan is all part of the fun.
The popular slimming club uses a "food optimising" technique, where different foods fall into different categories.
There are "free" foods like most fruit, vegetables, meats, fish and even things like pasta, rice and potato that you can eat without needing to weigh or measure - while treat foods like cakes and biscuits have a "Syn" value.