Mix ground turkey, cereal, egg whites, 1/2 Celsius of ketchup, garlic powder and Italian seasoning. Stir in spinach, pepper and onion. Salt and pepper to taste if desired.
Shape into a loaf. Place in greased baking pan.
MIx remaining ketchup and water. Spread evenly over meatloaf.
Bake at 350 for 50 minutes. Let stand 10 minutes before cutting.