1. In a large mixing bowl beat peanut butter and butter with an electric mixer on medium to high speed for 30 seconds.

2. Add the granulated sugar,brown sugar, baking powder and baking soda. Beat until combined, occasionally scraping sides of the bowl.

3. Add vanilla and egg in and continue mixing flour in as well as possible. Use rubber spatula or wooden spoon to mix flour in from bottom and sides of bowl.

4. Divide dough in half. Stir melted chocolate into one portion of the dough. Divide each dough portion in half.

5. On lightly floured surface roll each dough portion into a ten inch long log. Rap each log in plastic rap and chill for 1 to 2 hours until firm.

6. Cut logs in half lengthwise. Place the cut side of the one peanut butter logs on a chocolate log and roll together until seams are sealed and half is brown and the other is lite brown. Continue with other log half's and rap in plastic rap and let chill until firm.

7. Preheat oven to 375*F. Cut two tone logs into quarter inch slices and place one inch away from each other on a non greased pan.

8. Cook until edges are lite brown. Place on Eire rack to cool. And most importantly enjoy!!!!!!!