2 cubes butter, melted
2 1/2 c. powdered sugar
1 c. peanut butter
24 (1/2 single squares) graham crackers, crushed
2 c. milk chocolate chips

Mix together the butter, powdered sugar and peanut butter. Add crushed graham crackers to mixture and press into a 9x13 inch pan. Refrigerate to chill while melting the chocolate chips. Spread chocolate on chilled layer. Score with toothpick. Chill again to set. Store covered at room temperature after cutting into bars.