Nanaimo Bars

Nanaimo Bars
LAYER ONE:
1/2 cup butter
1/4 cup sugar
1 egg
1 tsp. vanilla
1 Tbs. cocoa

Mix together and set over boiling water. Stir until slightly thickened.

2 cups Graham cracker crumbs
1 cup coconut
1/2 cup chopped nuts

Add to first mixture. Put into a greased 9" square baking pan and pressdown to that base is evenly spread. Let stand for 15 minutes.

LAYER TWO:
1/4 cup butter
3 Tbs. milk
2 cups powdered sugar
2 Tbs. custard powder

Mix together and spread over layer one. Refrigerate for 15 minutes.

LAYER THREE:
4 oz. semi-sweet chocolate
1 Tbs. butter

Melt chocolate over hot water. Do not allow water to boil. Very slowly and very gently, stir in butter until it is just blended. Spread over Layer Two. Refrigerate until chocolate is set, then cut into squares.