This recipe involved four ingredients and ten minutes of time, it's not much simpler than that! Once you make it, store it in a squeeze bottle in the fridge and you'll have it whenever you need.
1 cup unsweetened cocoa powder
1 1/4 cup granulated sugar
1 cup water
2 tsp vanilla
1) Mix cocoa powder, sugar, and salt in medium sauce pan.
2) Whisk in water until no lumps remain. Heat over medium heat to a boil, reduce to a simmer for five minutes, stirring frequently.
3) Remove from heat, let cool five minutes, add in the vanilla, stir. Let cool and store in your favorite squeeze bottle.