Wash the spinach well and drop in a pot of salted boiling water for a few minutes. Drain very well. When cool, squeeze out all the water you can, until your arms almost ache. Put it in a blender with 1 egg and pulse until puréed.
Pile the flour on your work surface. Make a well in the centre and add the puréed spinach, the remaining egg, a pinch of salt, the olive oil and water. Use you