Recipe courtesy of Joy of Cooking

the crust:
Preheat oven to 350 degress. Lightly grease a 9x12 pan.

cream until well blended:
1/2 cup butter
1/4 cup sugar

beat in:
1 egg

combine:
1 1/4 cups sifted all-purpose flour
1/8 tsp salt

add these dry ingredients in about 3 parts to the butter mixture, blending them well.
work in:
1/2 tsp vanilla

Use your hands to pat the dough evenly in the pan. Bake for about 15 minutes.

Spread crust with the following mixture:
2 beaten eggs
1 1/2 cups brown sugar
1/2 cup flaked coconut
1 cup chopped pecan meats
2 tablespoon flour
1/2 teaspoon baking powder
1/2 teaspoon salt
1 teaspoon vanilla

Bake for 25 minutes. When cool, ice with:
1 1/2 cups sifted confectioner's sugar, thinned to a good spreading consistency with lemon juice.