– 1 cup unsalted butter – ½ cup light brown sugar – ½ cup granulated sugar – 2 large eggs – 1 3.4oz package pistachio instant pudding mix – 1 teaspoon pure vanilla extract – 2 ½ cups all-purpose flour – 1 teaspoon baking soda – 1 cup white chocolate baking chips – ½ cup shelled pistachios