Ingredients:
Cake Layer:
1/2 cup + 2 tbsp all-purpose flour
1/2 tsp baking powder
Pinch of salt
3 tbsp unsalted butter, room temperature
1/4 cup + 2 tbsp sugar
1 tbsp vegetable oil
3/4 tsp vanilla extract
1 large egg
1/4 cup milk
Espresso Mixture:
3/4 cup hot water
2 1/2 tbsp instant espresso coffee powder
4 tbsp sugar
6 tbsp Kahlua
Cheesecake Filling:
8 oz cream cheese, room temperature
16 oz mascarpone cheese
1 cup sugar
3 tbsp all-purpose flour
3/4 cup sour cream
1/2 tbsp vanilla extract
2 large eggs + 3 egg yolks, room temperature
12 ladyfingers
Tiramisu Topping:
3 large egg yolks, room temperature
5 tbsp sugar
7 tbsp heavy whipping cream, cold
3 oz mascarpone cheese
Cocoa powder for dusting
Instructions:
Prepare the cake layer: Mix dry ingredients, cream butter and sugars, add eggs and milk, then bake in a prepared pan.
Espresso mixture: Combine espresso powder, sugar, hot water, and Kahlua.
Cheesecake layer: Beat cheeses, add sour cream, eggs, and layer over the cake base with espresso-soaked ladyfingers.
Bake and chill: Bake the cheesecake, then allow it to cool gradually before chilling.
Prepare the topping: Whip eggs and sugar, mix in mascarpone, fold in whipped cream, and spread over chilled cheesecake.