01 -
Half a cup of unsalted butter, softened (113g).
02 -
100g of white sugar (1/2 cup).
03 -
Half a cup of packed brown sugar (100g).
04 -
One large egg, brought to room temp.
05 -
A teaspoon of vanilla.
06 -
1 1/2 cups of all-purpose flour (188g).
07 -
Natural cocoa powder, 1/3 cup (27g).
08 -
A quarter cup of dry hot cocoa powder mix (40g).
09 -
1 tsp baking soda.
10 -
Pinch of salt (1/8 tsp).
11 -
2 tsp milk.
12 -
10-11 big marshmallows, cut in half.
13 -
8 oz of chopped semi-sweet chocolate (226g).