Mix cheese, milk, & flour. Heat to thicken, stirring constantly. Add cheddar. Set aside. Bake pastries as directed. Scoop out center. Mix bacon with spinach & add to cheese sauce. Put sauce inside pastry shell. Bring two(2) cups of water to boil. Break four(4) eggs into a small bowl. Swirl water with spoon and slip eggs into center. Allow to cook slowly(3-4 mins), until white is cooked but yolk is still runny. Scoop out eggs & place in "spinach nest". Top w/hollandaise sauce & serve.