Bring a large pot of water to a boil, making sure to salt the water and drizzle in just a bit of oil (this keeps the pasta from sticking together, as well as adds additional flavor to the overall dish). Follow the directions on the back of your box of Barilla ProteinPLUS Penne Pasta, and cook pasta.
In the last two minutes of cooking the pasta, add the broccoli florets to the water.
Drain the water from the pasta and broccoli florets, and return the pasta and broccoli to the pot. Set aside.
In a small saucepan, heat oil and chicken stock over med-low heat, whisking often. Once it reaches a boil, add in half and half, and salt and pepper. Reduce heat to low, and simmer for a few minutes, whisking occasionally.
Add chopped chicken and 3/4 cup of pecans to the sauce, simmering together for 2-3 minutes. Salt and pepper to taste.
Pour sauce with chicken and pecans over the pasta and broccoli, and cook over med-low heat just until everything is warm.
Before serving, add in remaining 3/4 cup of pecans.
Enjoy!