1Prepare filling first. Mix margarine, confectioner's sugar, vanilla and cream cheese until creamy. Set aside.
2Preheat oven to 375. Grease a 10 x 15 pan. Line with waxed paper. Grease again. Combine all purpose flour, sugar and baking soda. Add eggs, pumpkin and eggs.
Pour into pan. Bake for 15 minutes. Turn onto a dishtowel sprinkled with granulated sugar. Roll cake in towel and place in frig for about 20 minutes to cool. Remove from frig. Unroll, remove from towel and spread filling. Roll back up and wrap in plastic wrap or aluminum foil. Place back in frig to cool. May be placed in freezer to next day for serving later.