Chicken Fettuccine Alfredo Recipe - Easy Dinner

Mom's creamy Chicken Fettuccine Alfredo has been a family favorite for years! Classic Chicken Alfredo is feel-good comfort food - so creamy but light! Serve it for lunch or dinner.

Ingredients for Chicken Fettuccine Alfredo:
►2 lbs Chicken Breast
►3/4 lbs fettuccine pasta (or angel hair or vermicelli pasta)
►1 lb white mushrooms thickly sliced
►1 small onion finely chopped
►3 cloves garlic minced
►3 1/2 cups half and a half *
►1/4 cup parsley, finely chopped, plus more for garnish
►1 tsp sea salt or to taste, plus more for pasta water
►1/4 tsp black pepper or to taste
►3 Tbsp olive oil divided
►1 Tbsp butter