Ingredients:
Tools：
Procedures:
Rinse the mussels under cold water and scrub with salt.
Melt butter over medium heat in a large shallow skillet.
Add onions, white pepper and garlic, and cook until the garlic is fragrant and onions begin to soften.
Add wine and increase the heat to a medium-high to bring to a simmer.
Add mussels, cover with a lid, and let the mussels steam until they have opened up.(typically 5-7 minutes)
Add the juice of one lemon, give the mussels a good stir, and cook for 1-2 minutes longer,
Sprinkle with parsley and salt over the top.
(Optional) Serve with crusty (garlic) bread or creamy pasta.