Creamy rice with broccoli. A simple and delicious dinner

Ingredients:
Broccoli - 250 g.
Cook broccoli in salted water for 1 minute.
Onion - 1/2 pc.
Vegetable oil
Rice – 200 g (raw)
Water in which broccoli was boiled – 300 g.
Cream - 100 g (fat)
Salt – to taste (since we already added salted broccoli water)
Black pepper
Cook for 10 minutes, then add butter and broccoli and cook for another 5 minutes.
Butter - 10 g.
When serving, you can sprinkle the dish with Parmesan cheese.