Using the same foam (fat) from the milk
I made some chocolate ice cream.
Beat the foam until it looks like cream, it will not be that fluffy but still got a lot of air into it
Melt some dark chocolate
until fully melt, if needed add a bit of milk
And for extra darkness add some cocoa
Stir well and add the foam one spoon at a time, mixing well every time
When all the foam is mixed with the melted chocolate
Put it into ice cream molds and freeze it for few hours