Preheat oven to 350

Using egg beaters or a cake mixer whisk together egg whites until peaks begin to form

Add salt and Swerve and continue to whisk until thick

Using a soft spatula fold in the apple cider vinegar

Place cupcake liners into the tin tray

Pour the egg white mixture evenly into the cupcake liners

Sprinkle 1/4 Tsp of crushed pistachios onto the top of each meringue

Place in oven

Shut oven door

Turn oven off

Leave in oven for a minimum of 6 hours