Peanut Butter Crispy Treats

1/4 c. butter or margarine

1 package (10 ounces) marshmallows (about 40 large)

1/2 c. creamy peanut butter

1/2 c. chopped peanuts

5 c. Rice Krispies

Melt butter in saucepan over medium heat.  Add marshmallows and stir until softened.  Add peanut butter and peanuts; stir until smooth.  Remove from heat and gradually stir in cereal until well coated.

Pour into well-greased pan (9x13 for thin treats or 8x8 for thick treats).  Allow to cool before removing.