Christmas Truffles

1 can sweetened condensed milk
¾ cup of butter- melted
¾ cup cocoa powder
1 Tablespoon vanilla extract

In a medium saucepan, combine the butter and cocoa over medium high heat. Whisk to a boil. Add the milk and vanilla, blend thoroughly, and refrigerate for 3-4 hours. Scoop out with a tablespoon and form into balls with your hands. Roll in powdered sugar or cocoa powder.