Napoleon Bars - cooking recipe

Ingredients

1/2 c. butter
1/4 c. sugar
1/4 c. cocoa
1 tsp. vanilla
1 egg, beaten
2 c. graham cracker crumbs
1 c. coconut

Preparation

In double boiler mix first 4 ingredients until melted.
Then add egg.
Cook until thick, about 1 minute.
Take off heat.
Stir in the last 2 ingredients.