(Optional): If you have a mortar and pestle, add cloves, peppercorns and cardamom seeds to it and lightly crush them. This will help release their flavors. If you don't have a mortar and pestle, simply skip this step and use the whole seeds.
Peel, then thinly slice the fresh ginger.
Add all spices to the cream.
Make sure the spices are submerged in the cream. Cover, then transfer the mix to the fridge and chill for 12 hours. After the chill time, strain out the spices.
For the white Russians:
Add a few ice cubes to each glass.
Add equal parts of coffee liqueur, vodka and spiced cream to each glass.