Flatbread filled with spinach and pecorino - Bread baking day #7

The first flatbread I ever baked and it is for the Bread baking day #7 hosted by "Chili and Ciabatta".

Ingredients:
2 eggs
a pinch of salt
125 g flour
100 ml milk
100 ml water
150 g spinach
1 onion
50 g pecorino
1 tablespoon ricotta
150 g butter
pepper, nutmeg

Mix eggs, salt, flour, milk and mineral water. Leave for 20 minutes.
In 2 tablespoon butter add chopped onion, spinach and spices.
Add ricotta and grated pecorino and mix it well with spinach.
In 1 tablespoon butter bake flatbread. (3 pieces)
Add spinach mixture and fold in half.