-
In a large bowl, beat butter until fluffy; gradually beat in sugar until light and fluffy.
-
Add peanut butter, egg and vanilla and beat until smooth.
-
In another bowl, combine flour, baking soda and salt; gradually mix
-
or stir half of flour mixture into the peanut butter mixture.
-
Using your hands, mix in remaining flour mixture to form a stiff dough.
-
Refrigerate for 45 minutes.
-
Filling:.
-
While dough is chilling, melt chocolate with butter in a bowl over HOT water (not boiling).
-
Let cool.
-
Take chilled dough and divide in half.
-
On lightly floured surface, roll each half into a 10-in. x 8-in. rectangle.
-
Spread each rectangle with half of the melted chocolate mixture.
-
Starting from the long side, roll up each rectangle jelly-roll style to form 2 long rolls.
-
Wrap separately in plastic wrap.
-
Refrigerate until firm at least 8 hours or up to 12 hours.
-
Using a sharp knife, cut into 1/4-in. slices.
-
Place 1 1/2-in. apart on lightly greased baking sheets. Be sure to rotate sheets and turn from back to front halfway through baking as this ensures a better baked cookie.
-
Bake in a preheated 375 degree oven for 10-12 minutes or until lightly browned.
-
Transfer to wire racks and cool.
-
This cookie can be stored in an airtight tin for up to 1 week.