Involtini Di Carne Alla Siciliana

Name: Involtini Di Carne Alla Siciliana
Ingredients: 1 3/4 to 2 pounds top round, sliced into 4 to 6 long slices about 1/4-inch thick; 1/2 cup extra virgin olive oil; 1 cup finely chopped onion; 1/2 cup lightly toasted bread crumbs; 1/2 cup finely grated Pecorino Romano; 1/3 cup raisins, soaked in warm water until plump; 1/3 cup lightly toasted pine nuts; 3 tablespoons chopped parsley leaves; 1 lemon, zest finely grated; Salt and freshly ground black pepper; 16 fresh bay leaves; 32 pearl or other small boiling onions, blanched and peeled