Lemon Tiramisu

Ingredients

• 1 cup sugar (you could use sugar-free alternative here)
• ⅔ cup lemon juice (About 3 large lemons)
• 6 egg yolks
• 1 ½ tablespoons lemon zest
• ½ teaspoon vanilla
• ¼ teaspoon salt
• 6 tablespoons salted butter (about ½ cups, room temp)
• 1.5 lbs mascarpone cheese (680 grams)
• ½ cup powdered sugar (sugar-free alternative could be used)
• 1 teaspoon vanilla
• 1.5 cups cold heavy cream
• 1 cup lemon curd (around half of the pre-made curd)
• 28 ladyfingers (about 2 packs, depending on the brand, you can use gluten-free or homemade low-carb, see in notes)
• 1-2 cups limoncello ( or lemon liqueur, for dipping, see notes for alcohol-free option)