Add the vegetable oil in the pot. Once it is hot, add the onion and stir it for 1 to 2 minutes.

Once the onion is almost cooked, add the mushroom and stir it. Let it cooked for 2 to 4 minutes in medium heat.

Once the mushroom turned into a little brown, add the chicken and stir for few minutes. Add ½ cup of water on the pot, and let it cook for 3 to 4 minutes.

After the chicken is cooked well, add the cream and cheddar cheese in the pot. Mix it well for few minute. Do not add the parmesan cheese yet.

Add the spinach and mix it well. Now you will let it boil for up to 5 minutes. While boiling, you add the parmesan cheese, salt and black pepper.

Lastly, transfer the drain pasta from the colander into the pot, and mix it well.