No Knife Pasta

Name: No-Knife Pasta
Ingredients: 1 pound pasta; Coarse salt and freshly ground pepper; 4 medium tomatoes (about 2 pounds) cored and torn into 3/4-inch pieces; 1/2 cup coarsely torn basil leaves, plus more for garnish; 1/2 cup extra-virgin olive oil; 3 tablespoons coarsely torn oregano leaves; 4 medium cloves garlic, smashed; 1/2 teaspoon crushed red-pepper flakes; 1/4 pound fresh mozzarella, torn into 1/2-inch pieces (optional)