Bouchon Bakery's Nutter Butters | Food Stuff

Ingredients

• 2 teaspoons baking powder
• 4 teaspoons baking soda
• 1 cup firmly packed light brown sugar
• ¼ pound (1 stick) butter, at room temperature
• 1 2/3 cups confectioners' sugar
• ½ cup creamy peanut butter, preferably Skippy
• 2 large eggs
• 2 cups all-purpose flour
• 1 cup granulated sugar
• 1/3 cup coarsely chopped peanuts
• 2½ cups quick-cooking oats
• 1½ teaspoons vanilla extract