Preheat oven to 400F and prepare cookie pan using parchment paper or a silicone mat.

In a large bowl mix together the flour, baking soda, cocoa powder and set aside when finished mixing.

In another large bowl, mix together the butter, white sugar, brown sugar until it is light and fluffy. Next add the eggs, vanilla extract and mix until it is well combined. Then add the dry ingredients into the wet ingredients and mix very well.

Next take 2 tablespoons of cookies and 4-5 frozen marshmallows and place the marshmallows in the cookie dough and cover. Place on the cookie pan and flatten then add some chocolate chips.

Bake for 8-10 minutes and allow it to cool on a cookie rack and serve with milk.