01 -
1/2 cup (113g) of softened, unsalted butter.
02 -
100g (1/2 cup) white sugar.
03 -
100g (1/2 cup) packed brown sugar.
04 -
1 room temperature large egg.
05 -
1 tsp vanilla extract.
06 -
1 1/2 cups (188g) plain flour.
07 -
27g (1/3 cup) of cocoa powder.
08 -
40g (1/4 cup) hot cocoa powder (dry).
09 -
1 tsp baking soda.
10 -
1/8 tsp salt.
11 -
2 tsp milk.
12 -
10 or 11 marshmallows (large), sliced in half.
13 -
8 ounces (226g) semi-sweet chocolate chunks.