Slow Cooker Hot Chocolate with Nutella

Rich, creamy and chocolatey, this is perfect for a cold, winter day to warm you up.  Enjoy!
-1/2 cup sugar
-1/2 cup unsweetened cocoa powder
-1/2 cup Nutella
-1 cup hot tap water
-5 cups milk (whole or 2%)
Mix sugar, cocoa, Nutella and water in a medium saucepan.  Bring to a boil, stirring occasionally, so that lumps are gone.
Pour mixture into slow cooker.  Add the milk and mix well.
Cover and cook on low for 3-4 hours.
Ladle into mugs and top with whipped cream and chocolate sprinkles, if desired, or enjoy as is.  Enjoy!