Place dates, sugar, and margarine in a large saucepan over low heat; cook and stir until sugar dissolves. Remove from heat and fold in crispy rice cereal, pecans, and vanilla extract until evenly mixed.
Roll date mixture into 1-inch balls using lightly greased hands; allow balls to cool.
Spread confectioners' sugar into a shallow dish; roll date balls in confectioners' sugar to coat.
Source:
allrecipes.com