Pasta with White sauce (Carbonara)

115 g button mushroom, chopped
250 g sweet ham, chopped
250 g bacon, chopped
1 large onion, chopped
1/2 cup parsley,chopped
500 ml all purpose cream or any thick cream
1 tablespoon cooking oil

1 large egg:

1. 2 dashes of salt.
2. 4 dashes of black pepper.
   
3. beaten.

1/2 kg Pasta:

1. Put water, 1 tablespoon of cooking oil and 1/2 teaspoon of salt in a casserole.
2. When boiled, add pasta.
   
3. Cook until tender.
4. Drain the pasta.
   

White Sauce:

1. Cook bacon in cooking oil crisp in moderate heat.
2. Add onion, button mushroom and ham.
3. When its done, add parsley then cook for 1 minute.
4. Add all purpose cream or thick cream, egg and 2 dashes of salt.
5. When boiled then its done.

To Serve:

1. Put the pasta on a plate.
2. On top of the pasta, pour on the white sauce.