Lemon Lovers, This Cake Is for You!

Name: Limoncello Cake With Mascarpone Frosting
Prep time: 30 min
Cook time: 25 min
Total time: 1 h 55 min
Yield: 16
Ingredients: 1 Lemon; 3 Eggs; 1 1/4 cups Lemon curd; 2 1/2 cups All-purpose flour; 1 tsp Baking soda; 2/3 cup Powdered sugar; 1/2 tsp Salt; 1 1/2 cups Sugar; 1/2 cup Butter; 1/2 cup Buttermilk; 16 oz Mascarpone cheese; 2 cups Whipping cream; 1/2 cup Limoncello (lemon-flavored liqueur)