CHOCOLATE LAYER
1 cup unbleached all-purpose flour
1 cup (about 2 1/2 ounces) finely ground toasted blanched hazelnuts
1/2 cup sugar
1/8 teaspoon ground cinnamon
Dash sea salt
1/2 cup (1 stick) unsalted European-style butter
1 egg yolk
1 teaspoon vanilla extract
4 ounces bittersweet or semisweet chocolate, ground to a powder
Click link below for rest
Recipe: Viennese Hazelnut Chocolate Raspberry Bars -- latimes.com
