01 -
Lay down a sheet of parchment paper on a plate. Scoop the pistachio spread into small blobs or smooth it into a thick layer. Freeze for 1 hour or until solid. If making a layer, cut it into squares once firm and keep in the freezer.
02 -
Mix together flour, cornstarch, baking powder, baking soda, and salt in a medium bowl. Set it aside.
03 -
In a bigger bowl, combine the melted butter with both sugars and whisk until they’re blended. Add the egg and vanilla, mixing until it’s smooth and a bit thicker.
04 -
Stir the dry mix into the wet mixture lightly. Toss in the chopped chocolate and pistachios, folding just until combined.
05 -
Scoop out dough portions with a 4-tablespoon scoop onto a board lined with parchment. Chill the dough in the fridge for roughly an hour, letting it firm up.
06 -
Heat the oven to 350°F. Take a dough ball, flatten it, add a frozen blob of pistachio filling in the middle, then seal it up. Optional: Stick extra chocolate, nuts, or pistachio blobs on top. Bake for 11–12 minutes till the edges are firm and the centers are soft. Right after baking, sprinkle flaky salt on top.