Grease 9x13 pan.

In a large bowl put:

2 c. salted peanuts
2 1/2 c. mini marshmallows

In saucepan over low heat melt and stir until smooth:

1 pkg. peanut butter chips
1 can Eagle Brand milk

While warm (not hot) pour over ingredients in bowl. Mix and pat into greased pan. Let set and cut into squares.