First prepare the seeds. Toast them lightly in a dry pan over a medium heat until they start to become golden brown.
Reserve in a small bowl.
In a large bowl mix together the crème fraiche, mayonnaise, mustard and parsley. Season with some salt and plenty of black pepper.
Add each of the vegetables as they are prepared, tossing them in the dressing as you go.
Finally stir through half of the seeds and reserve the rest to top the coleslaw as you serve it.
Chill in the fridge until you are ready to serve. I think this salad improves if made in advance, as
it allows the ingredients to soften slightly and the flavours to infuse.