INGREDIENTS
1 cup
dark chocolate chips
2 tbsp
unsalted butter
1/4 tsp
vanilla extract
1/4 cup
all purpose flour
1
large egg
1/4 cup
granulated sugar
2 tsp
cocoa powder
salt
1/8 tsp
baking powder
1/4 cup
dark chocolate chips (optional)
2 tbsp
mint leaves, chopped very finely (or use a few drops of peppermint extract)
about 12 to 18 leaves, with size and number depending on cookies produced
1
egg white
2
to 3 tablespoons superfine white sugar