1- In a shallow sauce pan put olive oil and fennel dices. Cook for about 2 minutes until the fennel gets a little caramelized.
2- Add chorizo and cook for another 30 seconds
3- Add sofrito, chili flakes, and butter, mix well
4- Add mussels and cider. Cover
5- Cook until the mussels open about 2-3 minutes. Plate the mussels and reduce liquid to half.
6- Add lemon juice and parsley, salt to taste
7- Cover the mussels with the sauce.
NOTE: