1. Place Chex cereal in a large bowl and set aside.

2. In a small microwave proof bowl, melt chocolate, Nutella and vanilla extract. Stir until smooth.

3. Pour over cereal and gently fold until all cereal is coated.

4. Dump into a large plastic bag and add powdered sugar and cocoa powder. Shake until coated. (Or you can use a large pot with a lid.)

5. Dump onto cookie sheets to cool and add hazelnuts.