• 2 ounces (1/2 cup) finely ground (in a coffee grinder) or grated bittersweet chocolate
• 1 cup milk (for best results, use 2 percent fat or higher)
• Whipped cream or marshmallows , for garnish

In a saucepan, combine the chocolate and milk, and bring to a boil, stirring constantly. Boil 1 minute. Garnish with whipped cream or marshmallows. Serve immediately.

Recommended ingredient: Homemade marshmallows are available at recchiutichocolates.com. You can also make your own with Martha Stewart's recipe here on our site .

Recommended ingredient: Buy quality chocolate bars, such as Callebaut and Valrhona—available at grocery stores or online at chocolatesource.com. If you don't want to grind chocolate, Chocolate Bar suggests Jacques Torres Classic Hot Chocolate mix or Wicked Hot Chocolate mix—available at Jacques Torres Chocolate in Brooklyn and Chocolate Bar, or online at www.mrchocolate.com