Ingredients
5 ounces bittersweet chocolate (preferably 70 percent cacao), chopped
4 ounces semisweet chocolate (preferably 55 percent cacao), chopped
4 cups milk
1 cup heavy cream
2 tablespoons packed light-brown sugar, plus more to taste
Pinch of salt
Preparation
Heat all ingredients in a large saucepan over medium heat, whisking, until chocolate has melted and mixture is hot. Stir in more sugar, if desired.