White Chocolate Chai Pumpkin Snickerdoodles

Bahan-bahan (18 porsi)

• 1 stick (8 tablespoons) salted butter, at room temperature
• 1/2 cup packed light or dark brown sugar
• 1/4 cup granulated sugar
• 1/3 cup pumpkin butter ((see note))
• 1 large egg
• 2 teaspoons vanilla extract
• 1 3/4 cups all-purpose flour ((see note))
• 1/4 teaspoon baking soda
• 1/4 teaspoon baking powder
• 1/2 teaspoon ground cinnamon
• 1/2 teaspoon kosher salt
• 1/2 cup white chocolate chips
• 1/3 cup granulated sugar
• 2 teaspoons ground cinnamon
• 1 teaspoon ground ginger
• 1/2 teaspoon ground cardamom
• 1/4 teaspoon freshly grated nutmeg
• 1/4 teaspoon all-spice
• 1 tiny pinch black pepper