Prepare cooked spaghetti for use

Infuse garlic and shallots into the oil using low heat

Put clams/mussels into the pan and mix well using high heat

Add white wine and cook with lid on until the clams/mussels open partially

Throw away those clams/mussels which remain closed after cooking

Add cooked spaghetti and mix well

Add chilli sauce/powder, dried parsley, black pepper and butter, and mix well