01 - Bring a large pot of salted water to a boil. Cook tortellini according to package directions, adding broccoli florets during the final 2 minutes. Drain and set aside.
02 - Season chicken pieces evenly with salt and black pepper.
03 - In a large skillet, heat olive oil over medium-high heat. Add chicken and cook until golden and cooked through, about 5 to 6 minutes. Remove chicken from skillet and set aside.
04 - In the same skillet, melt butter. Add minced garlic and sauté for 1 minute until fragrant.
05 - Lower heat to medium. Pour in heavy cream and whisk to combine. Bring to a gentle simmer, then add Parmesan cheese. Stir continuously until cheese melts and sauce thickens, about 2 to 3 minutes.
06 - Return cooked tortellini, broccoli, and chicken to skillet. Toss until well coated in the creamy sauce. Stir in crushed red pepper flakes if desired.
07 - Taste and adjust seasoning with additional salt and black pepper if needed.
08 - Serve hot, garnished with extra Parmesan cheese and chopped fresh parsley if preferred.