01 - Bring a large pot of salted water to a boil. Cook cheese tortellini as per package directions, adding broccoli florets during the final 2 minutes. Drain and set aside.
02 - Season chicken pieces with salt and black pepper.
03 - Heat olive oil in a large skillet over medium-high heat. Cook chicken until golden and fully cooked, about 5 to 6 minutes. Transfer chicken to a plate and set aside.
04 - In the same skillet, melt butter and sauté minced garlic for 1 minute until fragrant.
05 - Reduce heat to medium. Pour in heavy cream, stirring to combine. Bring to a gentle simmer, then add Parmesan cheese. Stir until cheese is melted and sauce is thickened, about 2 to 3 minutes.
06 - Add cooked tortellini, broccoli, and chicken to the skillet with the sauce. Toss gently to coat in the creamy mixture. Stir in crushed red pepper flakes if using.
07 - Adjust the flavor with additional salt and black pepper as desired.
08 - Serve hot, topped with extra Parmesan cheese and fresh parsley if desired.