This is variation of the one I already posted. I first sauteed the red onion (thinly sliced) in a light olive oil on a medium flame. Meanwhile I mixed an appropriate amount of pasta, egg, and good amount of grated Parmigiano Reggiano (all precise measurement). I added the sauteed onion and spread the mixture in a small flying pan (the same one I used for the onion) and cooked it for 2-3 minutes on low flame. When the bottom is set and brown, I flipped it (a successful flip is all in the wrist!) and browned the other side for 2-3 more minutes until cooked and the edge was brown and crispy. I grated more Parmigiano on the top and garnished it with chopped chives. I had one last drunken tomato which I served one half per person.