Polka Dot cake roll

It's just an ordinary cake roll, but with a little embellishment, it looks much more lovely, doesn't it~Material Science:Cake body: 4 egg yolks, 40g corn oil, 20g fine granulated sugar, 80g low gluten flour, 70g milk, 4 pieces of protein, 45g fine granulated sugar, appropriate amount of lemon juice, 2G cocoa powder, 6G hot waterStuffing: 150g light cream, 15g powdered sugar, appropriate amount of mango kernels

Main Ingredients

• hot water 6g
• Cocoa powder 2g
• lemon juice A moderate amount of
• protein 4
• milk 70g
• low-gluten flour 80g
• berry sugar 45g
• Corn oil 40g
• yolk 4

Auxiliary Ingredients

• Mango seeds appropriate amount
• Sugar powder 15g
• unsalted butter 150g

1. the remaining cake paste can be directly mixed into the batter of the back cake body, or finally bake a small cake with a paper cup;2. do not roll the baked cake until it is completely cool, which will easily crack;3. when applying cream, pay attention to leaving a certain space at the end of the cake. In addition, it can be a little thicker at a position away from the head, and the fruit can also be placed at this position, so it will be easier to roll;