Preheat the oven to 225 degrees
In a standing mixer, add in the egg whites and cream of tarter.
Mix on medium speed until soft peaks form and then increase to faster speed.
Alternating between the sugar and powder sugar, add in 1 Tablespoon at a time until stiff peaks form.
Add in the vanilla and mix until combined.
Split batter into two bowls, Add the black die into one.
Using a pastry bag with a star tip, scope some black meringue on one side and then the white meringue on the other.
Pipe on the meringues onto a baking sheet lined with parchment paper.
Bake for 1 and 30 minutes hour