01 -
Line a plate with parchment paper. Spread pistachio cream into a thick sheet or scoop into small dollops. Freeze for at least 1 hour or until solid. Cut into squares if using the sheet method and return to the freezer until needed.
02 -
Line a cutting board or plate with parchment paper for chilling the dough and set aside.
03 -
In a small bowl, combine all-purpose flour, cornstarch, baking powder, baking soda, and salt. Stir and set aside.
04 -
In a large mixing bowl, whisk together melted and cooled butter, brown sugar, and granulated sugar until fully combined. Add egg and vanilla extract and whisk until the mixture is smooth and thickened.
05 -
Add the dry flour mixture to the butter mixture and whisk until just combined, leaving a few visible flour patches.
06 -
Using a spatula, fold in the chopped chocolate and pistachios. Finish mixing until no streaks of flour remain.
07 -
Use a 4-tablespoon cookie scoop to portion the dough. Place dough balls onto the prepared parchment-lined board. Refrigerate for about 1 hour or until firm.
08 -
Preheat oven to 175°C. Line a baking sheet with parchment paper.
09 -
Flatten a chilled dough ball with your hands. Place a portion of frozen pistachio cream in the center and wrap the dough around the filling to completely encase it. Seal well.
10 -
Place stuffed dough balls on the prepared baking sheet, spaced 5 cm apart. Press additional chocolate pieces, pistachios, and pistachio cream chunks on top if desired.
11 -
Bake for 11–12 minutes, until edges are set but centers remain soft. Immediately sprinkle cookies with flaky salt. Allow to cool for 5 minutes on the baking sheet before serving warm for a gooey center, or let cool fully.