Beat egg whites with hand mixer or stand mixer until they form soft peaks.

Add in Cream of Tartar.

Begin adding sugar a little at a time until all has been added

If adding flavor and color, add now

Beat until stiff peaks are formed - the entire process takes about 10 minutes.

Turn off the mixer and gently spoon into a piping bag using a star tip.

I used my lovely Oodle Tip Piping bag.

Using parchment paper on baking sheets, pipe stars (or dollops) onto the sheets.

Sprinkles go over top if using.

Place in a pre-heated oven set to 200F or 93C.

Bake for about 2 hours or until the cookies are set then allow to dry completely before storing in an air tight container.