cooking spray  | 
                                                3 ounces very thin slices prosciutto, chopped  | 
                                                3 tablespoons extra-virgin olive oil  | 
                                                2 garlic cloves, thinly sliced  | 
                                                6 cups hot cooked fusilli (about 12 ounces uncooked short twisted spaghetti)  | 
                                                1 cup (4 ounces) shaved parmigiano-reggiano cheese  | 
                                                1/3 cup chopped fresh parsley  | 
                                                1 tablespoon fresh lemon juice  | 
                                                1/2 teaspoon kosher salt  | 
                                                1/2 teaspoon freshly ground black pepper  | 
                                                1 (10-ounce) package frozen peas, cooked and drained  |