for the biscuit mixture
Egg , Caster / granulated sugar , Extra fine plain white flour , Potato starch , Butter , Vanilla (sachet) .
for the cake
Strawberry , Egg yolk , Fresh, full-fat cream , Mascarpone cheese , Caster / granulated sugar , Unsweetened cocoa .
for the sugar syrup
Caster / granulated sugar , Water , Maraschino liqueur .