Step 1

Heat oven to 350°F.

Step 2

Beat butter, granulated sugar, brown sugar, peanut butter, egg and vanilla in large bowl until fluffy. Stir together flour, baking soda and salt; gradually add to butter mixture, beating until well blended. Stir in candies. Drop by heaping teaspoons onto ungreased cookie sheet.

Step 3

Bake 10 to 12 minutes or until edges are lightly browned; remove from oven. Cool slightly; remove from pan to wire rack. Cool completely.