Fill a skillet with 2 inches of water, add salt, then simmer.
Meanwhile, cook onion in butter in a non-stick skillet until soft; add spinach, cream cheese and milk, cook until creamy, add salt and pepper, keep warm.
Toast Bread.
Break 4 eggs at a time into simmering water; cook 1 minute,loosen from bottom of pan with a spatula; poach for 3 to 5 minutes, to desired doness; remove with slotted spoon.
Top toast with spinach mixture, followed by 2 eggs, repeat proccess until all servings are completed.
