Cookies and Cream Oreo Macarons

egg whites (3 large egg whites), room temperature

(~ ¼ cup) powdered sugar

(~ 1 cup) almond flour

(~ 1 and ⅔ cup) confectioner's sugar

cream of tartar

white powder food color, optional but helps create a white finish

Oreo shells from making the buttercream below, blitzed in food processor until fine, to top

Oreos (double stuffed), filling and shells separated, shells finely processed

butter, unsalted, room temp.

powdered sugar

vanilla extract (clear if you want it to stay white)

salt