Preheat oven to 375°
Beat egg yolks until thick and lemon colored.
Sift powdered sugar, flour, salt and cocoa together.
Beat the dry ingredients into the egg yolks until well blended.
Fold in the egg whites.
Spray a 10x15 cookie sheet (with edge) with nonstick spray and line with parchment paper.
Pour cake mixture in the baking pan and bake for 15-20 minutes, until the center springs back when pushed with a finger.
Lightly dust a clean dish towel with powdered sugar. Loosen cake around edges with a knife and invert onto towel while still warm. Peel off parchment paper.
Roll up cake gently, rolling the towel in the cake.
Wrap tightly in the towel to hold the shape.
Once the cake has cooled, spread cream cheese frosting on the cake, sprinkle with the crushed candy and roll like a jelly roll.