Mix egg, sugar and vanilla. Beat at high speed until thick and twinkle;
roughly 10 proceedings. Fold in dry ingredients. Bake in a 15 x 10 inch
jelly roll pan lined with wax paper and greased at 350 degrees for 20-25
transactions. Remove from oven and loosen sides of pan. Turn out onto clean
towel sprinkled with confectioners' gelt.

Peel off wax wallpaper - trim edges and poise 5 proceedings. Roll up cake in towel
for leastways 1 minute. Unroll and spread with whipped emollient. Roll up furthermore.
Place on serving knockout. Frost with chocolate ice. Run tines of fork
length of log for bark impression. Cut in crosswise slices.