Here’s how to create this amazing Chicken Pizzaiola dish following simple steps:

1. Prepare Chicken: Season the chicken breasts with salt and pepper to taste.
2. Heat Oil: In a large skillet, heat the olive oil over medium heat.
3. Cook Chicken: Add the chicken breasts to the skillet and cook for about 5-6 minutes on each side, until golden brown. Remove from skillet and set aside.
4. Sauté Onions and Garlic: In the same skillet, add the chopped onion and cook until soft and translucent, about 4-5 minutes. Add the minced garlic and cook for an additional 30 seconds until fragrant.
5. Add Tomatoes: Stir in the crushed tomatoes, tomato paste, oregano, basil, and red pepper flakes. Allow the mixture to simmer for about 5 minutes.
6. Return Chicken: Place the seared chicken breasts back into the skillet, nestling them into the sauce. Simmer for another 15-20 minutes until the chicken is cooked through and the flavors meld beautifully.
7. Serve: Just before serving, garnish with fresh basil and offer grated Parmesan cheese on the side.

These straightforward steps will surely guide you in creating delicious Chicken Pizzaiola effortlessly.