| 1 | In a large saucepan melt the butter and stir in the cocoa and sugar. |
| 2 | Add 1 beaten egg with the vanilla to the melted butter. |
| 3 | Add the 2 cups of "graham" wafers and mix well. |
| 4 | Press this mixture into the bottom of a lightly greased 9*9 inch pan. |
| 5 | Place in the refrigerator. |
| 6 | Filling: beat together icing sugar, butter, and custard. |
| 7 | Add a little milk if needed to make a smooth dough. |
| 8 | Spread on first layer and return to the refrigerator. |
| 9 | Topping: melt chocolate, butter and vanilla in a saucepan. |
| 10 | Work quickly to get a smooth even layer. |
| 11 | Return to the refrigerator to set. |
| 12 | Cut into bars. |
| 13 | Refrigerate. |
