Rinse and scrub the mussels under cold running water
Remove the beards by pulling them toward the hinge
Discard any mussels with cracked shells or that stay open when tapped
Heat olive oil or butter in a large pot over medium heat
Add minced garlic, shallots, or onions and cook until softened
Pour in white wine, broth, or water
Bring the liquid to a simmer
Add the mussels to the pot
Cover with a lid
Cook for 5 to 7 minutes, shaking the pot occasionally
Remove the mussels as they open
Discard any mussels that do not open after cooking
Season with salt, pepper, herbs, or lemon juice
Serve immediately with bread, pasta, or fries