Boil salted water in a large pot, cook pasta according to package instructions until al dente, drain and rinse with cold water.

In a food processor, combine basil, pine nuts, Parmesan, olive oil, garlic, lemon juice, sea salt, and black pepper; process until smooth.

In a large bowl, combine cooled pasta, pesto, cherry tomatoes, mozzarella, pepperoncini, and parsley; toss well.

Cover and refrigerate for at least 30 minutes before serving to enhance flavor.