Combine cocoa, sugar and salt in saucepan; blend in water. Bring to boil over medium heat stirring constantly. Boil and stir 2 minutes. Add milk; stir and heat, but do not boil. Remove from heat and add vanilla and beat with beater until foamy.
From: Glorious Grub Cookbook By. Joan Stewart
Madagascar Vanilla (purchase at Chefs Catalog) Of all the vanilla's I've used this is my favorite. Once you've tried it you won't go back!