In a pot, bring water to a boil and cook the vegetables for 10 minutes. Drain and run under cold water. Drain again. Process in a food processor or with an electric mixer until puréed.
In a bowl, mix together with the yoghurt, honey and egg.
In another bowl, add the dry ingredients, Add to the wet ingredients and mix well. Incorporate the raisins.
Using a large spoon (about ¼ cup or 60 ml), spoon the batter onto a baking sheet lined with parchment paper.
Bake the cakes in the oven for 15 to 20 minutes or until they are puffed and golden.
Store the cakes in a moisture-proof, airtight container.