Boil the pasta in hot water and drain well and keep aside.

Heat oil in a saucepan.Add boiled and drained pasta, salt and pepper, chilli flakes.Mix in high flame for 2 mins.Remove in a greased baking dish.

For white sauce, melt butter in a pan.Add flour. Keep stirring for sometime.Add the milk and keep stirring till the sauce thicken a beat.Add salt,pepper.

Pour the prepared sauce on top of the cooked macaroni pasta. Grate cheese on top andSprinkle chilli flakes and oregano.

Bake in a 180'c preheated oven for 10mins.