Pour half a cup of Cold Brew into the shaker and add half a cup of Chocolate milk.
Shake well until they completely mix
Add 2-3 tablespoons of marshmallow syrup
Shake the ingredients again for at least 30 seconds
Put smashed ice into the coffee cup you will be using.
Pour the mixture in the shaker into the coffee cup with the ice.
Add whipped cream and chocolate drizzle on top of the drink, and enjoy your homemade Dutch Bros Campout Cold Brew.