Salted Nut Squares Instructions Place 1 & 1/2 cups peanuts in the bottom of an ungreased 11″x 7″ pan. Melt butter & peanut butter chips in a large pan over low heat Stir until smooth. Remove from heat. Stir in condensed milk & marshmallows stirring until smooth. Pour mixture over peanuts in pan. Sprinkle remaining 1 & 1/2 cups peanuts over top of peanut butter mixture. If saltier bars are desired, sprinkle lightly with salt. Cover and refrigerate until chilled. Then, cut into bars.