Fettuccine alfredo with grilled chicken

Alfredo sauce (whole milk [milk, vitamin d3], heavy whipping cream [heavy cream, milk, contains less than 0.5% of: mono and diglycerides, polysorbate 80, carrageenan], grated parmesan [pasteurized milk, cheese cultures, starch, protein, lactose, whey solids and cellulose (to prevent caking)], roux mix [wheat flour, modified cornstarch, maltodextrin, natural butter flavor (whey, enzyme modified butter oil, dehydrated butter, corn syrup solids, salt, guar gum, annatto, turmeric), 2% or less of skim milk, yeast extract, salt, color added, datem, mono and diglycerides, sodium caseinate], salt, black pepper, corn starch), cooked fettuccine (fettuccine [durum wheat semolina (enriched with iron [ferrous sulfate], and b vitamins [niacin, thiamin mononitrate, riboflavin, folic acid])], water), grilled chicken breast (boneless skinless chicken breast fillet with rib meat, soy protein [water, isolated soy protein, soy lecithin, salt]), parmesan cheese (pasteurized part skim milk, cheese culture, salt, enzymes and <2% powdered cellulose added to prevent caking), parsley.