This recipe makes 7 cups. Prep time is 15 minutes. Cook 25 minutes.
1 qt milk
2 cups whipping cream
2 cinnamon sticks
1/8 tsp freshly ground nutmeg
1 cup unsweetened cocoa
3/4 cup sugar
1 tsp vanilla extract
2 (3 oz.) bars bittersweet chocolate chopped
Cook first four ingredients in a Dutch oven over a medium-low heat stirring occasionally, 15-20 minutes or just til milk begins to steam. (Don't boil).
Remove from heat. Remove and discard cinnamon sticks. Whisk in cocoa, sugar, and vanilla, whisking until blended.
Cook over low heat 5 minutes. Add chocolate, whisking until blended. Keep warm over low heat.