Flour + Water, and Eaten in an instant! I just change the fillings and cook differently

Ingredients:

Filling 1.
Mashed potatoes (300 g)
30g butter
A small bunch of greens
Hard grated cheese 80 g.

Filling 2.
300 g minced meat
Onion 1 pc
Salt, pepper, spices (cumin, coriander, saffron).

For the test:
500-450g flour
300ml water
0.5 tsp salt