Creamy pasta with zucchini and chicken! Quick and delicious dinner!

Ingredients:
Chicken breast - 250 g.
Vegetable fat
Onion - 1 pc.
Zucchini - 1 pc. (200 - 250)
Salt
Black pepper
Sour cream - 200 g.
Water - 50 g.
Salt
Black pepper
Macaroni - 200 g.
Parmesan cheese