In a mixing bowl, cream butter and sugar. Add egg whites; beat well.
Blend in peanut butter and vanilla extract.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 greased cookie sheets. Bake at 350 degrees F for 10-12 minutes or until golden brown. Cool
on wire racks.
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