Pumpkin Cake Roll

3 eggs
1 c. sugar
2/3 c pumpkin
1 tsp lemon juice
3/4 c flour
1 tsp baking powder
2 tsp cinnamon
1 tsp ginger
1/2 tsp nutmeg
1/2 tsp salt
1/2 c nuts (optional)

Filling:
1 c. powdered sugar
2 packages of cream cheese
1/2 tsp vanilla
4 tsp butter

Beat eggs, add sugar and other ingredients. Grease and flour jelly roll pan. Bake at 375 for 15 minutes. When done, put upside down on kitchen towel covered with powdered sugar. Roll in the towel until cooled.
Mix ingredients for filling. Add to the roll and roll it up. Refrigerate.