Peanut Butterfinger Cookies

½ cup butter, melted or softened 
¼ cup peanut butter 
½ cup brown sugar 
 1 egg 
½ teaspoon vanilla 
1 ½ cups flour 
½ teaspoon baking soda 
½ teaspoon salt 
2 regular sized (1.9 oz each) Butterfinger candy bars, chopped up 

Heat oven to 350 degrees. In a large mixing bowl, cream together butter, peanut butter, and sugar. Stir in the egg and vanilla. Add dry ingredients and mix well. Stir in the chopped Butterfinger candy. 

Form dough into 12 chunks and place on baking sheet. If desired use a fork to slightly indent tops of cookies, being careful to not flatten cookies. Bake for 8 minutes.