1/2 cup unsweetened cocoa powder
1 cup granulated sugar
1 cup water
1 teaspoon vanilla extract
Dash of salt
Combine cocoa, sugar and salt in a saucepan. Add water and mix until smooth. Bring mixture to a boil. Allow it to boil for one minute, being careful that it does not boil over.
Remove from heat.
When cool, add vanilla extract.