In a mixing bowl, combine the cocoa and powdered sugar.
Add the rum and light corn syrup. Stir to combine.
Fold in the vanilla wafers and chopped nuts.
Roll the mixture into balls, and roll each ball in powdered sugar.
Recipe Tips
Store rum balls in an airtight container.Tip: Use plastic freezer zip bags to crush vanilla wafers (remove excess air) and to coat the balls in powdered sugar.