1/4 c. melted butter
2 1/2 c. confectioners' sugar
3 tsp. milk
1 tsp. vanilla
1 egg
1 (6 oz.) pkg. semi sweet chocolate chips, melted
1 c. chopped walnuts
1 1/2 c. miniature marshmallows

Combine butter, sugar, milk and vanilla in bowl. Add egg; beat well blended. Add chocolate; mix well. Stir in walnuts and marshmallows. Makes enough for 2 layers.