1. For the bottom Layer: Melt 1 stick butter, granulated sugar and cocoa on top of a double boiler. Add egg and stir to cook until the mixture is thick enough to coat the back of a spoon. Remove from heat. Stir in crumbs, nuts and coconut. Press firmly into an ungreased 10×6 pan, and chill until no longer warm to the touch.

2. For the middle layer: Combine Nutella with 6 tablespoons of softened butter until thoroughly combined. Add powdered sugar and mix until it’s incorporated and the mixture is the texture of soft frosting. Spread it evenly on top of the bottom layer, and chill for at least 30 minutes.

3. For the top layer: Melt bittersweet chocolate and remaining 2 tablespoon of butter over low heat. Cool. Once cool, pour over the middle layer and chill until firm.

4. Cut into small squares and enjoy.