Vancouver Squares

First Layer
1 egg
1/4 cup granulated sugar
1/2 cup margarine
4 tablespoons cocoa
1 teaspoon vanilla extract
28 single graham crackers, crushed
1 cup coconut
1/2 cup nuts, chopped

Cook first 5 ingredients in double boiler over boiling water until the consistency of custard. Mix last 3 ingredients and add to custard. Pour into a 9-inch square pan.

Second Layer
1/4 cup margarine, softened
3 tablespoons milk
2 tablespoons vanilla pudding powder
1 1/2 cups confectioners sugar

Cream margarine and add milk blended with pudding powder. Add confectioners sugar; mix well. Spread over contents of pan and refrigerate for 15 minutes.

Icing
4 (1 ounce) squares semisweet chocolate
1 tablespoon margarine

Melt chocolate and margarine together and mix well. Spread over contents of pan. Refrigerate until set.