Fry bacon until crispy and golden brown, set aside and reserve the fat.
When bacon is cool, break into small pieces
Bring large pot of water to boil and add salt.
Cook spaghetti as directed, until tender yet al dente.
Whisk eggs in large mixing bowl.
Add the cheese and crumbled bacon pieces and mix well.
Drain cooked spaghetti and put back in pot.
Add the hot spaghetti, a little at a time, to the egg sauce, tossing pasta in mixture while adding. (See video clip in post.)
Incorporate a small amount of bacon fat while adding spaghetti (optional)
Season with fresh ground peppercorn
Grate additional cheese over top (optional.)