In a medium bowl, whisk together the flour, baking soda, baking powder and salt. Set aside.
In a large bowl, cream together the butter, white sugar and brown sugar until smooth. Beat in the vanilla and eggs until light and creamy. Gradually beat in the dry ingredients until just blended.
Stir in the peanut butter chips. Drop by rounded spoonfuls onto ungreased baking sheets.
Bake for 8 to 10 minutes in the preheated oven, or until edges are lightly browned. Allow cookies to cool on baking sheet for 5 minutes before transferring to a wire rack to cool completely.
Interesting Facts
Peanut butter chips can be found in most major supermarkets.
These cookies are best enjoyed when served warm.
These cookies can be stored in an airtight container for up to 1 week.