Ingredients
1
teaspoon cornstarch
2
pinches of salt
2
cups half-and-half or 1 cup whole milk plus 1 cup heavy cream
6
ounces bittersweet (60% cacao) chocolate, broken into small pieces or chopped
2
tablespoons unsweetened cocoa powder
1
/2 teaspoon vanilla extract
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Preparation
Step 1
Whisk together the cornstarch and salt, and whisk in the milk and cream until cornstarch is dissolved.
Step 2
Bring the mixture just to a boil over medium heat, whisking constantly, then reduce the heat and slowly simmer it, whisking frequently, 1 minute.
Step 3
Remove the pan from the heat and add the chocolate. Let it rest for 1 minute, then whisk the mixture until chocolate is melted and liquid is smooth.
Step 4
Whisk in the cocoa and the vanilla, and if necessary, reheat it over medium-low heat until hot.