1/2 c. butter
1/2 c. brown sugar
1 c. flour
1/2 c. graham cracker crumbs
2 c. miniature marshmallows
1 (6 oz.) pkg. semi-sweet chocolate pieces
1/2 c. chopped walnuts

Beat butter and sugar until light and fluffy. Add combined flour and crumbs; mix well. Press onto bottom of greased 9" square pan. Sprinkle with remaining ingredients. Bake at 375 degrees for 15 to 20 minutes or until golden brown. Cool, cut into bars. Approximately 2 dozen.