INGREDIENTS
3 tbsp
flour
2 tbsp
sugar
1 1/2 tsp
dark cocoa powder
1/8 tsp
baking soda
salt
2 tbsp
water
1 tbsp
vegetable oil
1/8 tsp
vanilla extract
1 tbsp
chocolate chips (optional)
2 tbsp
unsalted butter, very soft
1 tbsp
dark cocoa powder
4 tbsp
powdered sugar