Preheat oven to 350. Spray a 10 by 15 inch jelly roll pan with bakers spray. Line pan with parchment oaper and spray parchment paper with bakers spray
Whisk flour, baking powder and salt in a bowl, set aside
In a medium bowl beat eggs until light and frothy, 2 minutes, beat in sugar, lemon juice, lemon zest and vanilla
Add flour mixture to egg mixture and mix just until blended
Spread batter in prepared pan using an off set spatula to reach all corners
Bake for 9 to 11 minutes, meanwhile sprinkle confectioner's sugar on a clean kitchen towel to turn the cake on to when done. As soon as cake is done turn over onto confectioner's dusted towel
Carefully remove parchment paper and roll cake with towel and cool on a rack in town completely
Unrolll cake and spread Lemon Whipped Cream Filling filling, recipe attached below evenly over cake, roll cake up enclosing filling
https://cookpad.com/us/recipes/357016-lemon-whipped-cream
Combine confectioner's sugar and cocoa in a small bowl and dust top of cake with it. Chill cake at least 2 hours to set before cutting
Garnish ca ke with Strawberrys, blackberries and offer whipped cream to go with it
