Beat for 5 minutes the 3 eggs. Slowly add sugar,pumpkin,lemon juice, flour, baking powder,ginger,cinnamon and salt. Grease and flour a small cookie sheet (jelly roll pan) Put in the above mixture and bake at 180ºC or 20 minutes. SPRINKLE "cake" with powdered sugar and tip onto a linen towel. ( Sprinkle towel with P. sugar also).. Roll and refrigerate for 30 minutes. Filling: Mix together -1 c Powdered sugar, softened cream cheese, butter and vanilla Spread over "cake". Again "roll" the cake and refrigerate. Slice & Enjoy. This recipe can easily be doubled.