1 c cocoa powder
2 c sugar
1 c water
1/4 t salt
Combine sugar and cocoa in a saucepan. Mix in salt and water. Place pan over medium heat and bring to a boil. Reduce heat and stir constantly until mixture thickens. Remove from heat and let cool.
Add two tablespoonfuls to a glass of milk. Stir vigorously and enjoy!
NOTE: This doesn't make the milk as dark brown as commercial syrups but the flavor is great.