01 -
Blend cocoa powder into 2 cups of heavy cream inside the slow cooker until smooth and lump-free.
02 -
Mix in the other half of the cream, whole milk, condensed milk, chopped chocolate, and vanilla extract.
03 -
Cover it up and cook on the low heat setting for about 3 hours. Give it a stir every 20 minutes so the mixture doesn’t stick.
04 -
Switch the slow cooker to its warm setting. Add milk if you want it thinner. It can sit warm for 3 hours.
05 -
Ladle into mugs and top it off with treats like marshmallows, whipped cream, or crushed candy canes.