Garlic Wine Mussels - cooking recipe

Ingredients

1 tablespoon olive oil
1 small onion, finely chopped
5 cloves garlic, crushed
6 large tomatoes, chopped, or more to taste
1 cup dry white wine
1 (6.5 ounce) can clam juice
2 pounds mussels, cleaned and debearded
1 cup chopped fresh parsley
1/4 cup butter

Preparation

Heat oil in a large pot over medium heat. Add onion; cook and stir until translucent, about 3 minutes. Add garlic; cook until fragrant, about 1 minute. Add tomatoes with all their juices. Cook and stir until softened, 3 to 5 minutes.
Pour wine and clam juice into the pot. Bring to a gentle boil; add mussels. Simmer, covered, until mussels have opened, 4 to 6 minutes. Add parsley. Stir in butter until melted, about 1 minute.