01 -
Put about 2 tablespoons (30 g) of dough on a lined baking tray and pop it in the fridge for half an hour to get the best texture and shape.
02 -
Set your oven to 175°C and bake the cookies for 10 to 12 minutes. The edges should be firm while the center stays a bit soft.
03 -
Let the cookies rest on the pan for 5 minutes then move them to a wire rack until cool or enjoy them warm.
04 -
Whisk together flour, cocoa powder, baking soda, and salt in another bowl.
05 -
Slowly add the dry mix to the wet stuff. Stir just until you get a soft dough.
06 -
Carefully fold in the marshmallow fluff a few times. You want to see swirls, don’t overdo it.
07 -
Gently mix the chocolate chips so they spread out even in the dough.
08 -
Add the egg and vanilla to the butter mix. Stir until smooth and blended.
09 -
Beat the softened butter with both sugars in a big bowl until the mix is pale and fluffy.