New England Clam Chowder Quiche

• 4 eggs (slightly beaten)
• 1 unbaked pastry shell pricked (lightly)
• 230 gr bacon (cooked)
• 120 ml sour cream
• 60 gr onion (finely chopped)
• 1 gr parsley flakes
• 1 gr pepper
• 4 slices american cheese
• 1 package snows clam chowder