INGREDIENTS
1 1/2
cups all-purpose flour
3/4 cup
Dutch-processed cocoa powder
1/2 tsp
baking soda
1/4 tsp
salt
1/2 cup
dark corn syrup
1
large egg white
2 tsp
vanilla extract
12 tbsp
butter, softened
1/2 cup
granulated sugar
1/3 cup
brown sugar, packed