In a saucepan cook strawberries sugar water and lemon juice until slightly thickened then cool
Blend half of the strawberry mixture into a smooth syrup and keep the rest chunky
In a bowl whip heavy cream powdered sugar and vanilla until soft peaks form
Gently fold mascarpone cheese into the whipped cream until smooth and creamy
Dip ladyfingers quickly into the strawberry syrup and layer in a dish
Spread a layer of mascarpone cream followed by a layer of strawberry mixture
Repeat layers until all ingredients are used finishing with cream on top
Refrigerate for at least 4 hours or overnight before serving