Prepare the Chicken: Begin by seasoning both sides of the chicken breasts generously with salt and freshly ground pepper. In a large skillet, heat the olive oil over medium heat. Once hot, carefully add the chicken breasts to the skillet. Cook for approximately 6-7 minutes on each side until they are golden brown and thoroughly cooked (an internal temperature of 165°F or 74°C). Once cooked, transfer the chicken to a cutting board and allow it to rest for a few minutes before slicing it into bite-sized pieces.
Sauté the Aromatics: Using the same skillet, reduce the heat to medium-low. Add the minced garlic to the skillet and sauté for about 30 seconds, stirring frequently, until it becomes fragrant and lightly golden—be careful not to burn it.
Add the Tomatoes: Introduce the halved cherry tomatoes into the skillet. Stir and cook for an additional 2-3 minutes, allowing the tomatoes to soften and release their juices.
Make the Sauce: Carefully pour in the heavy cream and chicken broth. Sprinkle in the Italian seasoning, stirring well to combine. Increase the heat slightly and bring the mixture to a gentle simmer for about 2 minutes, allowing the flavors to meld together.
Cook the Tortellini: Add the tortellini to the sauce in the skillet and cook according to the package instructions, typically about 3-5 minutes, or until they are al dente. Stir gently to coat the tortellini with the sauce.
Add the Spinach and Cheese: Once the tortellini is cooked, fold in the fresh baby spinach and grated Parmesan cheese. Stir until the spinach wilts down and the cheese melts seamlessly into the sauce.
Combine and Serve: Slice the rested chicken into strips and return it to the skillet. Gently mix everything together, allowing the mixture to heat through for an additional minute.
Garnish and Enjoy: Plate the dish hot, ensuring each serving is laden with the creamy tortellini, succulent chicken, and vibrant spinach. Garnish generously with fresh basil leaves to add a burst of flavor and aromatic appeal before serving.