01 -
Rinse mussels under cold water, discarding any with broken shells or those that don’t close when tapped.
02 -
In a large pot or Dutch oven, heat olive oil over medium heat. Sauté garlic, shallot, and red pepper flakes (if using) until fragrant, about 2 minutes.
03 -
Increase heat to high. Pour in white wine and bring to a boil.
04 -
Add mussels, cover with a tight-fitting lid, and steam for 5–6 minutes, shaking the pot once or twice, until all mussels open.
05 -
Remove from heat. Discard any mussels that haven’t opened. Stir in butter, parsley, and season to taste. Serve immediately in bowls with broth, garnished with lemon wedges and bread on the side.