Mixing eggs, milk, oil, water also salt in a bowl. Laying out a sheet filo dough and pour a little of the mixture, spreading it over entire sheet. Repeat twice, for a total of 3 layer Mixing feta cheese and cook spinach and spreading over the filo dough. Rolling from one end to other to get a strip. Cutting to triangles also placing on a baking sheet. Brush every triangle with egg yolk. Sprinkling with poppy seeds and baking at 180°C (356°F) for 15 min
Enjoy!