Follow these easy steps to create your Chicken with Tomato Sauce:

1. Heat Olive Oil: In a large skillet, heat the olive oil over medium heat.
2. Sauté Onions: Add the diced onions and sauté until translucent, about 5 minutes.
3. Add Garlic: Stir in the minced garlic and continue cooking for another minute until fragrant.
4. Cook Chicken: Season the chicken breasts with salt and pepper. Place them in the skillet, searing for 5–6 minutes on each side until browned.
5. Prepare Sauce: Pour the crushed tomatoes over the chicken. Add basil, oregano, and sugar. Stir well to combine.
6. Simmer: Reduce the heat to low. Cover the skillet and let it simmer for 20 minutes, or until chicken is thoroughly cooked.
7. Check Doneness: Ensure the chicken reaches an internal temperature of 165°F (74°C).
8. Garnish: Remove the skillet from heat and let it cool for a few minutes. Garnish with fresh basil leaves and Parmesan cheese if desired.
9. Serve: Transfer the chicken and sauce to a serving dish.

By following these simple steps, you will successfully create a mouthwatering Chicken with Tomato Sauce that will impress any guest!