Preheat oven to 350 degrees F. Spray a 9 inch pie pan with cooking spray.
Slice the leeks in any manner you prefer – yes, the leafy parts, too! The important part with the leeks is to be sure they are soaked in water to rid them of all dirt that may be trapped.
Roughly chop spinach. Cut cheese into cubes. Set both aside.
Whisk together eggs, salt, flour and milk; whisk together until smooth. Fold in the spinach and leeks; pour into pie pan. Cover with cheese. Bake in preheated oven for 35 minutes, until set.
Serve with kiwi or any other fruit that may be on hand.