Remove egg whites from refrigerator and bring to room temperature.
Preheat oven to 300 degrees.
Line 2 cookie sheets with parchment paper.
In a stand mixer add the egg whites and beat on high until soft peaks form.
Slowly add the white sugar and beat on high until stiff glossy peaks form.
This can take awhile.
Fold in the chocolate chips, cherries and pistachios.
Use a large ice cream scoop to drop dough onto the lined cookie sheets.
Bake in oven for 20 minutes.
Remove from oven and cool.