How to make tart letters/ cake trend 2018

#creamtart Valentine’s strawberry shortcakes: Filled white tempered chocolate: The ingredients: 400 grams all-purpose flour 160 grams of caster sugar 160 grams of unsalted butter (cooled) 1 medium egg 2 egg yolks 2 ml vanilla extract a pinch of salt 1 medium lemon zest For the filling: 500 grams mascarpone cheese 250 ml whipping cream 100 grams of powder sugar 2 ml vanilla extract For decorations: (optional) strawberries buttercream flowers mi