http://nutritionfor.us/2012/12/skinny-crock-pot-hot-cocoa/

Serves about 8 – 10. Recipe slightly adapted from Budget Savvy Diva.
Prep time: >5 minutes
Cook time: 2 hours

Ingredients:

• 8 ounces low-fat sweetened condensed milk (fat free works too)
• 1 1/3 cup milk chocolate chips
• 1/3 cup unsweetened cocoa powder
• 1/2 cup light cream
• 3 1/4 cups skim mik
• 1 teaspoon vanilla or almond extract
• Sugar (to add)
• Marshmallows, whipped cream and chocolate chips for garnish

Directions: 

1. Milk light cream, milk and sweetened condensed milk together in a bowl with a whisk. Pour into your crock pot. Add chocolate chips, cocoa powder and vanilla and mix well.
2. Set crock pot to low and heat until chocolate is melted and mixture is warm, about 2 hours. Be sure to stir the cocoa every 30 minutes or so the chocolate doesn’t burn! Add sugar to taste if it’s not sweet enough!
3. Serve warm with whipped cream, marshmallows and chocolate chips!

Nutritional information per cup:

Calories: 250 
Fat: 9 grams
Carbohydrates: 35 grams
Fiber: 4 grams
Protein: 7 grams
Weight Watchers Points: 6