Butterfinger Cookies - peanut butter cookies packed full of Butterfingers. The best peanut butter cookie you'll ever eat! Crispy on the outside and soft on the inside - perfection! One bite and you will be blown away. Butter, sugar, brown sugar, egg whites, vanilla, peanut butter, flour, baking soda, salt, and crushed Butterfingers. You freeze cookie dough unbaked for a quick treat later. You must make these ASAP!
In a mixing bowl, cream butter and sugars. Add egg whites; beat well. Blend in peanut butter and vanilla.
Combine flour, baking soda and salt; add to creamed mixture and mix well. Stir in candy bars.
Shape into 1 1/2-inch balls and place on a baking sheet. (I use a medium cookie scoop)
Bake for 10-12 minutes, or until cookies just start to turn brown. Do not over bake! Let sit on cookie sheet for a few minutes, before transfering to a wire rack. Cool completely.