01 -
In a small saucepan, whisk together the egg yolks, sugar, lemon juice, and lemon zest. Cook over medium heat, stirring constantly, until the mixture thickens and coats the back of a spoon (about 5-7 minutes). Remove from heat and stir in the butter until melted and smooth. Transfer to a bowl, cover with plastic wrap directly on the surface, and refrigerate until cool.
02 -
In a small bowl, combine the lemon juice, water, and sugar. Stir until the sugar is dissolved. Set aside.
03 -
In a large bowl, beat the mascarpone cheese, heavy whipping cream, and sugar until soft peaks form. Be careful not to overbeat.
04 -
Dip each ladyfinger into the lemon syrup for a few seconds and arrange a layer in the bottom of a baking dish. Spread half of the mascarpone cream over the ladyfingers, then spread half of the lemon curd on top. Repeat with a second layer of soaked ladyfingers, lemon curd and mascarpone cream.
05 -
Cover the tiramisu and refrigerate for at least 4 hours or overnight to allow the flavors to meld and the tiramisu to set.
06 -
Garnish with candied lemon slices if desired and serve chilled.