Creamy Chicken Asparagus Shells and Cheese Recipe

dry pasta shells

butter

extra virgin olive oil

(about 12 ounces) boneless skinless chicken breasts, cut into cubes

small yellow onion (, diced)

garlic cloves (, minced)

salt and fresh ground pepper (, to taste)

chicken broth

- pound fresh asparagus stalks (, cut into 2-inch pieces (break off and discard the woody ends of the asparagus))

- ounces Neufchatel Cheese (, cut into a few pieces)

- cup crumbled feta cheese

- cup skim milk (, optional)