Make the sabayon. In a double boiler whisk constantly the 4 raw egg yolks, 1/3 cup of sugar, and 4 tbs of cardamom espresso for 6-8 minutes or until smooth and creamy. Set aside.
In the bowl of a stand mixer with the whisk attachment add the heavy whipping cream and make stiff peaks. Transfer this to a separate bowl.
In the same mixing bowl add the mascarpone, 1/2 cup of sugar, and the vanilla. Beat until creamy about 1 minute.
Add the sabayon and the whipped cream into the mascarpone mixture and mix on low until combined. Set the cream mixture aside to make the layers.
In a low and large bowl add in the coffee/espresso and get out the lady finger cookies.
Dip each ladyfinger one by one for only a second on each side. Do not oversoak or submerge - they absorb more than you think they do. Make a single layer in your dish along the bottom. I used 8.
Divide the cream mixture into however many layers (I did 4 layers). Using a rubber spatula spread a layer of cream over the coffee-soaked ladyfingers and dust with cocoa. And repeat until the top. Dipped ladyfingers, cream, dust of cocoa.
You should finish with the cream layer dusted in cocoa. Add some chocolate shavings to the top of the tiramisu for extra decadence.
Cover tightly with plastic wrap and store in the refrigerator for at least 6 hours or for best results overnight.
Serve cold and enjoy!