Strawberry Roll Cake

*The sponge cake sheet
4 egg yolks
55g milk
55g oil
1/2 tosp vanilla extract
80g cake flour (or 70g all purpose flour and 10g corn starch)
a little pink fodd color
4 egg whites
70g sugar
• The strawberry jam 140g strawberry
20g sugar
1/2 tbsp lemon juice
*The whipped cream filling
250g heavy cream
20g condensed milk