Grease a cookie sheet or jelly roll pan. Preheat oven to 350 degrees.

Beat egg whites and 1/2 C sugar until stiff peaks form; set aside.

Beat egg yolks and the other 1/2 C sugar until pale yellow.

Mix in flour, cocoa and salt. Stir until combined.

Fold in the egg whites by hand.

Pour into prepared pan.

Bake in preheated oven for 12-15 minutes; until golden brown.

Let rest for five minutes then flip out onto a towel dusted with cocoa or sugar. Roll it up and set aside to cool.

Cream together the butter, powdered sugar, vanilla and cream.

Cream together the butter, powdered sugar, vanilla, cocoa and cream.

Unroll the cake and evenly spread the white frosting on the inside.

Roll it back up and frost the outside with the fudge frosting.

Slice, serve and enjoy!