Ingredients
Method
For the filling:
- Place water in a small saucepan and bring to a boil over high heat. Separately, in a heatproof bowl, mix the egg yolks with the white sugar using a balloon whisk. Place the bowl over the saucepan of boiling water, without touching the water, and cook the mixture in a double boiler for 4 minutes, whisking constantly, until it lightens and thickens. Remove from the heat and set aside.
- In a large bowl, add the mascarpone cheese with the powdered sugar and salt and beat with an electric mixer for 1 minute, until smooth. Add the egg yolk mixture and continue beating for 2 more minutes, until the mixture is smooth and homogeneous.
- Add the whipping cream and beat for 2-3 minutes, until slightly stiff peaks form. It is important not to overbeat, as the mixture could curdle. Set aside in the refrigerator until ready to use.
For the coffee syrup:
- Place the water and sugar in a small saucepan and cook over medium heat for about 4 minutes, until the sugar dissolves and a light syrup forms.
- Pour the syrup into a heatproof bowl and, while still hot, add the instant coffee. Mix well with a spoon and let cool completely before adding the rum or liqueur of your choice.
For assembly and finishing:
- Use a deep rectangular mold measuring approximately 30 cm x 20 cm that is not made of metal. It can be glass, plastic, or ceramic.
- Dip one-third of the ladyfinger cookies in the coffee syrup one by one, then place them in tight rows inside the mold to form the first layer of the tiramisu. Add a third of the filling on top and spread it evenly with an offset spatula so that it covers the entire layer of cookies.
- Repeat the above steps two more times to form three layers of cookies and filling. Once the tiramisu is assembled, cover it with plastic wrap and refrigerate for at least 4 hours or preferably overnight.
- When the tiramisu has been refrigerated and just before serving, sprinkle cocoa powder on top. Serve with strawberries or other red berries if desired, and it's ready to enjoy.
