Soak the raisins in the rum for at least three days. Mix the butter and sugar, thenbeat until fluffy and milky white.
Then add the eggs in portions. Every time an egg is added, make sure it iscompletely stirred and mixed evenly before adding the next egg.
Then add milk and water and mix well, mix all-purpose flour and baking powderin advance.
Add the sifted flour and mix your batter counterclockwise. Cut and mix with acake spatula. Make sure it is mixed evenly. Stir the whole wheat flour andraisins evenly.
Add the raisins to the previous batter and stir evenly. Pour the mixed batter into the cake mold, put it in the baking oven, and bake at 180 degrees Celsius forabout 60 minutes. Once the cake surface is brown it can be taken out.