Put the apple in pan, add a drop of water and cook, until soft, then purée. Set aside
Beat the butter/margarine until creamy, then add the eggs one by one. Fold in the apple purée, grated carrots and raisins.
Mix the flour, baking powder and spices in another bow, then gradually fold into the other mixture mass with a spatula. Don’t overmix!
Line the base of a 20 cm cake tin with baking paper, then add the batter, spreading it out evenly.
Bake in a preheated oven at 190°C for about 60 minutes or until an inserted skewer comes out clean.
Cool it for 5 minutes in the tin, then transfer it to a wire rack.
Decorate/glaze/ice the cake according to your liking.