1⅓ cups sugar ▢⅔ cup cocoa ▢⅓ cup cornstarch ▢pinch salt ▢4½ cups 2% milk, or higher ▢3 tablespoons butter ▢1 teaspoon vanilla
Whisk together the sugar, cocoa, cornstarch, and salt in a medium basin.
Combine with chilled milk using a whisk. Pour this mixture into a medium saucepan and cook, whisking constantly, over medium heat until the mixture reaches a simmer .
Remove from heat and whisk in the butter and vanilla after one minute.
After 20 minutes of cooling, cover the surface of the pudding with plastic wrap to prevent the formation of a crust.
Chill the pudding until it is ready to be served.