Ingredients
2 cups (8½ ounces) unbleached all-purpose flour
½ teaspoon baking powder
1 pinch kosher salt
8 tablespoons (4 ounces) chilled unsalted butter, cut into ½-inch cubes
1 cup (7 ounces) granulated sugar
1 large egg
½ teaspoon vanilla extract
½ cup (4¾ ounces) creamy peanut butter
FILLING
1 cup (4 ounces) powdered sugar
¼ cup plus 2 tablespoons (3½ ounces) creamy peanut butter
¼ cup (15/8 ounces) vegetable shortening
Preparation
