INGREDIENTS
2/3 cup
cocoa powder
1 3/4 cups
flour
1 1/4 cups
light brown sugar
1 tsp
baking powder
3/4 tsp
espresso powder
1 tsp
baking soda
3/4 tsp
salt
1 cup
chocolate chips
2 larges
eggs
3/4 cup
milk
2 tsp
vanilla extract
2 tsp
white vinegar
8 tbsp
butter