Cook the pasta according to package instructions until al dente.
While the pasta cooks, heat olive oil in a large skillet over medium heat.
Add the chicken to the skillet and season with salt and pepper.
Cook the chicken for about 5-7 minutes per side until fully cooked.
Once cooked, remove the chicken from the skillet and let it rest before slicing.
In the same skillet, add the minced garlic and red pepper flakes.
Add the broccoli and chicken broth, then cover and let steam for 3-4 minutes.
Slice the rested chicken and then return it to the skillet.
Add the cooked pasta to the skillet, along with the Parmesan cheese, and toss gently.
Adjust seasoning with salt and pepper, then serve hot.
