Empty the mashed potato sachet into a mixing bowl
Add the water a small amount at a time until it becomes a thick paste like texture.
Add the broccoli and cabbage a little bit a time mashing and mixing it in with the potato as you go
Add the swede and sprouts
Mix until all ingredients are combined
Divide into four balls and slightly flatten to make into rosti’s
Put your frying pan on a medium/low heat and add some one cal spray
Fry until golden brown turning occasionally