Let eggs come to room temperature before starting
Add chocolate chips to a blender, follow this with the eggs and the vanilla, and a pinch of salt. Turn on the blender.
While it is blending, remove the circular disk from the blender lid and very slowly pour in 8 ounces of strong, VERY HOT coffee .Blend for a minute or so until mixture is smooth and chocolate is melted.
Pour into serving glasses and let set in the fridge for at least 3 hours, serve with whipped cream