Have guests write their name on a quart sized ziploc bag with permanent marker.
Crack two eggs into a quart-sized ziplock bag [not more than 2]and shake to combine well.
Put out a variety of ingredients such as listed above. Each guest adds the ingredients of their choce to their bag and shake. Make sure to get the air out of the bag and zip it up.
Place the bags in to rolling, boiling water for exactly 12 minutes -- not any more or any less time. You can usually fit 6-8 bags in a large pot
Open the bags and the omelette will roll out easily. Now, everyone is ready to eat their specialized omelette with some toast or fruit on the side and enjoy each other's company. No waiting or eating in shifts.