01 - 1 3/4 cups mint chocolate chips, divided
02 - 1/2 cup butter for base
03 - 1 1/4 cups graham crumbs
04 - 1 cup flaked coconut
05 - 1/2 cup finely chopped walnuts or pecans
06 - 2 cups icing sugar
07 - 1/4 cup softened butter for filling
08 - 3 tablespoons milk
09 - 2 tablespoons custard powder
10 - 1 teaspoon mint extract
11 - Optional green coloring
12 - 2 teaspoons vegetable oil for topping