Mix the dry ingredients

• Combine the flour, salt, baking powder, baking soda and hot cocoa mix in a bowl.
• Whisk until evenly distributed.

Beat the wet ingredients

• Beat the softened butter with the white sugar.
• Add the room-temperature eggs and mix until smooth.

Combine and form the dough

• Add the wet mixture to the dry ingredients and mix until it just comes together; it may look dry.
• Finish by squishing the dough with your hands, without overmixing.
• Fold in the chocolate chips and freeze-dried marshmallows evenly.

Chill the dough

• Shape into balls of dough and place on a parchment-lined baking sheet.
• Chill in the refrigerator.

Bake the cookies

• Optionally press extra marshmallows and chocolate chips on top of each dough ball.
• Bake at 180 °C until set.