01 - Whisk together sugar, cocoa powder, salt, and water in a small saucepan until fully blended.
02 - Place saucepan over medium heat and bring the mixture to a gentle boil, stirring constantly to prevent burning.
03 - Reduce heat and simmer for 2 to 3 minutes, stirring frequently, until the syrup slightly thickens.
04 - Remove saucepan from heat and stir in the vanilla extract. Allow syrup to cool for 2 to 3 minutes.
05 - Scoop vanilla ice cream into individual bowls or glasses.
06 - Drizzle the warm chocolate syrup generously over the ice cream and serve immediately.