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A hand lifting a slice of lemon tiramisu from a 9×13 dish with a spatula

Limoncello Tiramisu (Lemon Tiramisu)

A bright, citrus-forward tiramisu made with limoncello, fresh lemon juice, zest, crisp ladyfingers, and a silky mascarpone-whipped cream blend. It’s light, sunny, and best made a day ahead so the flavors settle and slice cleanly.
Prep Time 45 minutes
Cook Time 5 minutes
Chilling time 10 hours
Total Time 10 hours 50 minutes
Servings: 10 people
Course: Dessert
Cuisine: Italian, Italian-American (Amalfi-inspired)
Calories: 420

Ingredients
  

For the Syrup
  • cups water
  • 1/3 cup sugar
  • 1 cup limoncello
  • 3 tablespoons fresh lemon juice
For the Cream Layer
  • 24 oz cold mascarpone
  • 15 oz lemon curd store-bought or homemade
  • 1/3 cup limoncello
  • 4 tablespoons fresh lemon juice
  • 2 cups heavy whipping cream
  • 1/3 cup sugar
For Assembly
  • About 48 crisp Savoiardi ladyfingers
  • Extra lemon zest for the top
  • White chocolate shavings optional

Method
 

Make the syrup:
  1. Heat water and sugar in a small saucepan. Simmer 5–7 minutes until the sugar dissolves. Remove from heat. Stir in limoncello and lemon juice. Let it cool completely.
Prepare the mascarpone mixture:
  1. In a chilled bowl, loosen the cold mascarpone on low speed for 1–2 minutes until smooth. Add lemon curd, limoncello, and lemon juice. Mix just until combined.
Whip the cream:
  1. In a separate clean bowl, whip the heavy cream with sugar until it reaches stiff peaks.
Fold the mixtures together:
  1. Gently fold the whipped cream into the mascarpone mixture. Fold slowly so you don’t deflate the cream.
Dip the ladyfingers:
  1. Pour the cooled syrup into a shallow dish. Dip each ladyfinger 2–3 seconds per side. They should be moist outside but still firm in the center.
Assemble the tiramisu:
  1. Place one layer of dipped ladyfingers in a 9×13 dish. Spread half the cream over them. Repeat with the second layer of dipped ladyfingers and the remaining cream. Smooth the top.
Chill:
  1. Cover and refrigerate at least 4–6 hours, ideally overnight. This helps the dessert set and slice neatly.
Finish & serve:
  1. Before serving, sprinkle fresh lemon zest on top. Add white chocolate shavings if you like. Slice with a warm knife for clean layers.

Notes

  • Keep mascarpone cold—warm mascarpone splits easily.
  • Don’t soak the ladyfingers too long or the tiramisu will turn mushy.
  • If you prefer less alcohol, simmer the limoncello in the syrup for a few minutes before cooling, or omit the liqueur from the cream.
  • Overnight chilling gives the best flavor and cleanest slices.
  • This dessert freezes well for up to one month; thaw overnight in the fridge.