Take a bowl and add tutti frutti, raisins and rum to it. Mix well, cover the bowl and leave for some time.
Preheat the oven to 180 degree celsius and grease the mold with butter.
Meanwhile, in a bowl sieve flour, grounded walnuts, baking powder, salt and keep aside.
Take another bowl and cream the butter and sugar until it's fluffy. Add the eggs and beat for a little longer till it turns smooth and creamy.
Take a bowl, add the vanilla essence and dunked raisins, tutti frutti to it. Mix them well and gradually add it to the flour mix.
Add the leftover milk and flour to it and mix well.
Pour this cake batter into the greased mold and spread evenly. Add the chopped walnuts on top.
Bake in preheated oven for 60 minutes or till a toothpick inserted into the cake comes out clean.
Remove it from the oven and enjoy.