Here's the fluffiest raisin and yogurt cake recipe you will ever make then!
Soak the raisins in water (or rum) for 10 minutes until rehydrated. Cut the butter into small pieces and add them together with the caster sugar to a blender.
Blend until you get a creamy mix. Then add the eggs, a tiny pinch of salt and lemon juice.
Blend again. Add the yogurt and blend for another 10 seconds.
Sift the plain flour and baking powder over a large mixing bowl. Add the yogurt and butter mixture from the blender.
Gently stir in the flour until you get a silky but firm dough. Then add the drained raisins and stir one last time.
Transfer the batter to a buttered and floured cake tin.
Bake the cake for 40 minutes in a preheated oven at 356°F (180°C) until cooked in the middle. Then let it cool in its tin. Sprinkle with icing sugar and serve.