Choco Coconut roll

For the crust is required:

500 g of crushed biscuits,
200 g coconut flour
250 g powdered sugar
100 g chopped walnuts,
1 margarine,
60 g grated chocolate,
2 tablespoons cocoa
100 ml hot milk.

For the glaze is necessary:

60 g chocolate
1 tablespoon cocoa
5 tablespoons sugar
3 tablespoons water
a piece of margarine.

Preparation:

Crust: in a deep bowl mix together crushed biscuits, coconut flour, powdered sugar, chopped walnuts, butter, grated chocolate, cocoa and milk.
All good knead, put on board and make a roll.
Frosting: chocolate, cocoa, sugar, water and butter cook until it thickens and pour over rolls.
Put in fridge to set.