Add some baking soda to the water before boiling helps greatly to remove the shells as well as soaking them in cold water before pealing. How long to boil? I dont know!
Any food is potentially fattening. If you are trying to lose weight then the best way to do so is not to choose certain foods but to try and limit your total daily calorific intake. To do this look...
first you put as many eggs as you want to boil into the bot but only one layer of eggs (don't stack them) then fill the pot with water and fill so there is about an inch of water above the eggs....
After boiling put pot in sink and sprinkle ice or cold water over the eggs. Wait a few minutes and shell them. The shell should come right off unless they are old eggs. If the shells don't come off...
Place the eggs in a saucepan in a single layer. Cover with cold water to at least 1-inch above the tops of the eggs. Bring to a rolling boil, boil for a few minutes and turn off the burner. Let sit...