Authentic French Quiche - cooking recipe

Ingredients

1 deep dish pie shell (either pre-made or frozen)
4 eggs
1/2 pint half-and-half
parmesan cheese (to taste)
1 cup swiss cheese (shredded)
1/2 cup gruyere cheese (shredded or crumbled)
salt and pepper
1/3 1/3 cup any already cooked meat or 1/3 cup vegetables

Preparation

Pre-bake pie shell @425 for ten minutes with parmesan covering bottom. this prevents soggy crust. just sprinkle parmesan to cover bottom before pre baking.
Saute leftovers for a minute or two to warm. mix cheeses to slightly soften in pan with leftovers. if using no leftovers just put cheese in pre-baked pie shell.
mix eggs, half and half and spices to taste.
pour egg mixture into pie shell containing leftovers or just cheese.
bake @425 for 25 mins until toothpick inserted comes out clean.