Creamy Garlic Mushroom Penne Pasta

Ingredients
Boiled penne pasta - 250 gm
spring onion - 6 to 7
garlic cloves chopped - 3 to 4
button mushroom - 7 to 8
white sauce- 2 to 3 tbl.sp
oregano - 1/2 tsp
salt and pepper as per taste
grated cheese

Method
Boil pasta in water and salt . Drain it and keep aside.
Chop spring onion bulbs and leaves seprately.
Chop garlic cloves and slice mushroom.
Heat olive oil in a pan and add chopped onion bulbs and garlic and saute till onions become soft.
Then add   mushroom and stir fry for few seconds and then add little water and let it cook for 2 to 3 mins.
Then add boiled pasta, spring onion leaves, white sauce, salt and pepper, oregano and mix well. You can add litte water also and cook for a minute.
In the last sprinkle little cheese and serve hot.