Preheat oven to 350 and line a cookie sheet with parchment paper

Using a standing mixer, beat together the butter and brown sugar until smooth.

Beat in the eggs and vanilla and until combined

In a large bowl, whisk together the flour, hot cocoa mix, baking soda, and baking powder.

Gradually add in the dry ingredients and beat until combined

Stir in the marshmallow bits and mini chocolate chips.

Using a small ice cream scooper, scoop out dough onto your hands and roll into a ball

Flatten the dough into round discs.

Bake cookies for 12-14 minutes

Allow to cool completely on a wire rack before enjoying with a nice cup of hot chocolate!