Sift together salt, cinnamon and flour.
Cream butter and sugar replacement.
Beat in baking chocolate and egg yolk.
Add sifted dry ingredients and mix.
Add vanilla extract and pecans.
Mix well, press dough into a greased 14 x 10 in. (35 x 25 cm) cookie sheet.
Beat egg white until frothy.
Spread egg white over dough in pan.
Bake at 375°F (190°C) for 25 minutes.