INGREDIENTS
1 cup
all purpose flour
2 tbsp
unsweetened cocoa powder
2 1/2 tbsp
sugar
1 tsp
baking powder
1/4 tsp
salt
1/8 tsp
baking soda
1/8 tsp
ground cinnamon
4 tbsp
cold butter (, cut into small pieces)
1
egg yolk
1/4 cup
milk
1/2 tsp
vanilla extract
3 oz
chocolate (, chopped (about 1/2 cup chopped chocolate))
1/2 cup
powdered sugar (, sifted)
1 tbsp
brewed coffee or milk
1 oz
chocolate (, melted)