Boil/heat water. In a large oversized mug, add the cake mix, cocoa powder and sugar. Pour in the boiling water and stir with spoon until cake mix and cocoa powder are completely dissolved. Top with marshmallows and drink up.
The nutrition information provided are only estimates based on an online nutritional calculator. This is not a comprehensive list of all the nutrients in the recipe (i.e., does not include vitamins, cholesterol, etc). I am not a certified nutritionist. Please consult a nutritionist or doctor for accurate information and any dietary restrictions and concerns you may have.