Add in the fresh broccoli florets, chicken, jars of Alfredo sauce and salt and pepper to taste. Mix well. Post updated: 10/29/2020 Baked Chicken Broccoli Alfredo is easy, and a favorite dinner recipe in our house! This recipe is made with fresh chicken breast and broccoli with jarred Alfredo sauce as a short-cut! Cook over medium heat until the chicken is no longer pink. Drain the pasta when done, and return to the stock pot. Add the chicken to a pan coated with olive oil. Spray a 9×13 baking dish with cooking spray. Chicken Broccoli Alfredo in a jar ... (Creamy White Sauce) THRIVE Béchamel (Creamy White Sauce) ... Pre-measure all ingredients in a jar. Layer all of the ingredients in the order listed, into a wide mouth Quart-sized mason jar, except for the Parmesan cheese.