01 -
Beat softened butter until smooth.
02 -
Mix in sugar just until combined.
03 -
Add flour, mix until crumbly.
04 -
Chop pistachios, reserve 1/3 for topping.
05 -
Knead 2/3 pistachios into dough.
06 -
Shape into log, wrap in plastic.
07 -
Chill 1 hour until firm.
08 -
Heat oven to 320°F/160°C.
09 -
Slice log into 1/2-inch rounds.
10 -
Bake 15-20 minutes until edges golden.
11 -
Cool 10 minutes on sheet, then rack.
12 -
Melt chocolate in 30-second intervals.
13 -
Dip cookies halfway in chocolate.
14 -
Top with reserved pistachios.
15 -
Let set completely.