1 stick butter
1 c. peanut butter
1 c. marshmallow creme
6 c. Rice Krispies

In large bowl, melt butter in microwave oven. Stir in peanut butter and marshmallow creme until smooth. (You may need to microwave 1 minute on low to make smooth.) Stir in cereal until well coated. Press into 9 x 13 inch pan and refrigerate. When firm, cut into squares.