In a large bowl, cream butter & sugar until light and fluffy.Beat in eggs & vanilla. Combine the flour , cocoa, salt ; gradually add to creamed mixture until blended.Preheat oven to 350º .
Spread into a 13x9" baking pan for 24-28 minutes or until toothpick comes out clean ( do not overbake) cool pan on. Wire rack. Spread marshmallow cream over Cooled brownies.
In a sausepan. Melt peanut butter and chocolate chips over low heat; stirring constantly until smooth. Remove from heat. Stir in cereal. Spread over top. Refrigerate unti set. Cut into bars. ( I kept mine in the fridge it is too Warm to let them sit out ).
