White Onion (finely chopped) • Dried Red Chilies (De-seeded and finely chopped) • Chicken Breasts, Boneless and Skinless (sliced, optional) • Garlic Cloves (crushed) • Extra Virgin Olive Oil • 400 g Peeled Plum Tomatoes (chopped) • Tomato Puree • Basil Leaves (or 1/4 tsp Dried Basil; to taste) • Freshly Ground Black Pepper (to taste) • Salt • Penne Rigate Pasta