Boil butter, milk, and sugar to soft ball. Add in dates and cook until soft. Take away from stove and beat until cool.
Take a tea towel and spread it out on counter and sprinkle it heavily with powdered sugar. Pour the stiffened candy mixture down the length (center) of the tea towel and using the edge start to roll it up Ito a long about 1 1/2-2" roll. Roll completely up and let set until it hardens then cut into slices.