From the SW website just in case people do not know
2. Are couscous cake, Smash pizzas and lasagne-sheet 'Doritos' Free? You might be disappointed to hear that they're not. Because changing the use of a food can make it easier to over-eat, to protect your weight loss they become Synned. When foods like pasta, rice and grains are used in their original form they're low in energy density (calories), bulky, appetite-satisfying foods. Pasta, couscous and rice are usually the main ingredient in a meal packed with other Free Foods - giving it sufficient bulk to be satisfying as a meal in itself. However, when ground down, used as flour (like in couscous cake), used as a sauce thickener (like Smash), seasoned crisps (like Doritos) or puréed (like smoothies) they're often used as additions to a main meal... and on top of your day's Syns. It is a very effective way of adding a lot of extra calories in a non-bulky way, and as such would then be counted as Syns