1 cup sugar
1 cup water
3/4 cup unsweetened cocoa powder
1/4 teaspoon salt
1 teaspoon vanilla extract
Combine sugar, water, cocoa powder, and salt in a saucepan
Whisk until smooth
Bring to a gentle boil over medium heat
Reduce heat and simmer for 2 to 3 minutes, stirring constantly
Remove from heat
Stir in vanilla extract
Let cool completely
Pour into a clean jar or bottle
Store in the refrigerator