BOTTOM LAYER:

1/2 c. butter
1/2 c. cocoa
1/2 c. powdered sugar
1 egg
1 tsp. vanilla
2 c. graham cracker crumbs

MIDDLE LAYER:

1/2 c. butter
1/3 c. green creme de menthe
3 c. powdered sugar

TOP LAYER:

1/4 c. butter
1/2 c. chocolate chips

Bottom Layer: Combine butter and cocoa. Heat and stir until well blended. Add sugar, egg and vanilla. Stir in crumbs. Press in bottom of 13"x9" ungreased pan.

Middle Layer: Combine ingredients. Beat on low speed of electric mixer until smooth. Spread over chocolate layer. Chill.

Top Layer: Melt together butter and chips. Spread over mint layer. Chill 1 to 2 hours. Cut into small squares. Store in refrigerator.