I used liquid egg whites instead of whole eggs and cooked them in a silicone muffin pan. I had to cook them a bit longer than it recommended. I froze them and took one out in the morning. It took over 30 minutes to reheat and I generally don't have that much time in the morning. I guess if I had a toaster oven, it might go quicker. The next morning I tried the microwave, but just like the site said, that made them chewy and not very good. So, I decided these would actually be better to eat on a weekend.
The next weekend, I just made a big batch of scrambled eggs with cheddar cheese. Then I baked some biscuits. Each morning, I heated up a scoop of eggs in the microwave and put it between the top and bottom halves of the biscuit. Perfect!