Whisk together the flour, baking powder and salt. Set aside.
In a medium bowl whisk together the cocoa, sugar and melted butter, then beat in the eggs one at a time, add the vanilla and combine. Add the dry ingredients and combine well on low.
Cover the bowl with plastic wrap and refrigerate for 4 hours or even over night.
Pre-heat oven 350F (180C). Line a cookie sheet or two with parchment paper.
Roll the dough into balls (golfball size), then roll well in powdered sugar make sure they are completely covered in the icing sugar, place on the prepared cookie sheets about 2 inches apart. Bake 10-12 minutes. Leave on the cookie sheet for approximately 5 minutes then move the cookies to a wire rack to cool completely. Enjoy.
Notes
For room temperature, remove the ingredient from the fridge 45-60 minutes before using.We got 20 cookies but if you want them a bit bigger you will get 15.
How to store the chocolate crinkle cookies
The cookies should be stored in an airtight container, they will keep at room temperature for up to 5 days. They can also be stored in the fridge and they will last up to 7 days.You can either freeze the cooled baked cookies in a freezer safe bag or container. Or you can freeze the dough wrapped in plastic and placed in a freezer safe bag. Freeze the dough before rolling in icing sugar. Thaw the dough over night in the fridge, then form into shape and roll in icing sugar before baking. They will keep in the freezer for up to 2 months.