These peanut butter bars are a great no-bake, sweet and salty treat!
Place 1 1/2 cups peanuts in the bottom of an ungreased 9 x 13" pan.
Melt the butter and peanut butter chips in a large saucepan over low heat. Stir until smooth.
Remove from heat. Stir in the condensed milk and marshmallows. Continue stirring until smooth and well-blended.
Pour the peanut butter mixture over the peanuts in the pan. Sprinkle the remaining 1 1/2 cups peanuts over the top of the peanut butter mixture. Slightly press to ensure that all the peanuts stick on both the top and bottom of this peanut marshmallow mixture. If saltier bars are desired, sprinkle lightly with salt.
Cover and refrigerate until chilled. Then, cut into bars. Bars can be served chilled or at room temperature.