Instructions

• Beat the softened butter and sugar until smooth and creamy.
• Mix in the vanilla, flour, and salt until a soft dough forms; fold in the pistachios.
• Shape the dough into a log, wrap, and chill for at least 1 hour.
• Heat the oven to 350°F and line baking sheets with parchment.
• Slice the chilled log into 1/4-inch rounds and arrange them on the sheets.
• Bake for 12 to 14 minutes, until the edges are lightly golden.
• Cool on the sheet for 5 minutes, then transfer to a rack.