[header] How to make checkerboard bars [title] Remove the hazelnut skins. [title] Place hazelnuts in the food processor; process until finally chopped, but not pasty. [title] Melt chocolate in a small bowl over very hot water stirring until smooth. 
[title] Combine flour, baking powder and salt in medium bowl. [title] Beat butter and sugar in large bowl with electric mixer at medium speed until light and fluffy.