Ingredients
Equipment
Method
Step-by-Step Instructions
- Preheat your oven to 350°F (175°C) and line two baking sheets with parchment paper.
 - In a bowl, whisk together the flour, cocoa powder, baking soda, and salt.
 - Cream the butter, granulated sugar, and brown sugar until light and fluffy.
 - Add the egg and vanilla, mixing until combined.
 - Gradually incorporate the dry mixture into the wet ingredients until just combined.
 - Fold in the chocolate chips, mini marshmallows, and fluff if using.
 - Scoop dough onto the baking sheets and bake for 8-10 minutes.
 - Cool on the sheets for 5 minutes before transferring to a wire rack.
 
Nutrition
Notes
Chilling the dough for 30 minutes helps maintain cookie shape. Adding a slice of bread to the storage container keeps cookies soft.
