1 egg, well beaten
¾ cup sugar
dash of salt
2 teaspoons of good vanilla
12-ounce can of evaporated milk, such as Pet or Carnation
Combine in a large bowl and whisk well until the sugar is dissolved, then start adding clean, fresh snow. Mix as you add the snow, until it's the consistency you like.
This will serve 2 or 3 generously, or more if you're not pigs like us.