In a large bowl, stir the coconut and oats and set aside.
In a pot over medium heat, stir the sugar,cocoa, butter and milk together. Stir constantly until sugar dissolves. Bring to a boil for about 4 minutes. Remove from heat and add vanilla.
Immediately pour into the bowl of coconut and oats mixture.
Working quickly, drop spoonfuls onto wax paper and let stand until cool.
Recipe by Cake Student at https://www.cakestudent.com/no-bake-chocolate-oatmeal-coconut-cookies/