Spread the hazelnuts in a layer on a baking sheet. Toast in the over for 12-15 minutes, stirring once or twice until skins start to darken and wrinkle. When nuts are cooled wrap in a kitchen towel and rub to remove skins. Chop
3
Melt the chocolate over a double boiler
4
Beat the butter until fluffy, 1 minute. Add sugar and beat until well blended. Add eggs and vanilla. Gradually add the flour and the salt. Beat well. Add in the chocolate and beat until creamy, stir in hazelnuts.
5
Pour batter into prepared pans, spreading evenly. Bake for 20-25 minutes or until toothpick inserted comes out clean. Let cool on a wire rack.