1. Begin by seasoning your chicken breasts with salt and pepper. In a large skillet, heat the olive oil over medium-high heat.
2. Add the chicken breasts and sear until golden brown on both sides, about 4-5 minutes per side. Remove the chicken and set aside.
3. In the same skillet, add the chopped onion and sauté until translucent, about 3 minutes. Stir in the garlic and cook for another minute until fragrant.
4. Pour in the crushed tomatoes, chicken broth, and dried oregano. Stir well and let the mixture simmer for about 5 minutes.
5. Reduce the heat to low and stir in the heavy cream and Parmesan cheese until the cheese has melted completely, creating a smooth sauce.
6. Return the chicken to the skillet, ensuring each piece is coated with the sauce. Cover and let it simmer for 10-15 minutes or until the chicken is cooked through.
7. Finally, sprinkle the fresh basil over the chicken and sauce, allowing the flavors to meld together beautifully.

As a tip from my family kitchen, always taste your sauce as it simmers. It’s a small step that makes a big difference, allowing you to adjust seasoning and ensure the dish sings with flavor.