Beat butter, granulated sugar, brown sugar, peanut butter, egg, and vanilla in a large bowl until fluffy.
3
In a medium bowl, stir together flour, baking soda, and salt: gradually add to butter mixture, beating until well blended. Stir in candies. Drop by heaping teaspoons or use small portioner onto ungreased cookie sheet.
4
Bake 10-12 minutes or until edge are lightly browned; remove from oven. Cool slightly; remove from pan to wire rack. Cool completely. About 30 cookies.
