Pour almond milk and half & half in saucepan and put on stove over medium-high heat. Bring to a boil. Almond milk can boil over so make sure you watch carefully. 

While waiting for ingredients to boil, rough chop dark chocolate

Rim mug with sugar sprinkles

Place chocolate pieces in mug

After a 2 mins has passed, sprinkle cocoa powder in the sauce pan with milk mixture.

Once the milk mixture has come to a boil, remove pot from heat.

Pour over in mug with chocolate pieces.

Stir ingredients together until well incorporated

Top with marshmallows and sprinkles (optional)