01 -
Beat the pistachio paste and ¼ cup of the heavy cream with a hand mixer or whisk until smooth in a large bowl. Add the mascarpone, vanilla, almond extract and salt. Beat until completely smooth.
02 -
In the bowl of a stand mixer fitted with a whisk attachment, or in a separate bowl with beaters, combine the remaining 1 cup of heavy cream with the granulated sugar. Beat until stiff peaks form.
03 -
Add the whipped cream to the mascarpone mixture and fold with a rubber spatula until combined. Set aside.
04 -
Whisk together the coffee, alcohol (if using) and pistachio flavoring in a shallow bowl or dish.
05 -
Working with half of the ladyfingers, quickly dip each one, one at a time, into the coffee mixture and place them in a single layer covering the bottom of a 9x9-inch square pan. Top with half of the cream mixture, smoothing it out to the edges in an even layer.
06 -
Dip the rest of the ladyfingers into the coffee mixture and create another layer. Top with the remaining cream mixture and smooth the top.
07 -
Garnish with pistachio paste (loosened with water if needed) and chopped or ground pistachios. Chill in the refrigerator until ready to serve, for at least 2 hours and up to overnight.