Pesto Fettuccine with Chicken without tomatoes

1 lb frozen cooked meatballs or 1 lb one batch easy meatball 12 ounces fettuccine pasta 16 ounces frozen bell peppers , and onion stir fry mix 1 tablespoon[...]

2 cups cooked fettuccine pasta (fresh is best) 2 tablespoons butter 2 cups cremini mushrooms , sliced 6 garlic cloves , minced 2 cups half-and-half 1/4[...]

18 ounces boneless skinless chicken breasts (approx. 3 med-lg chicken breasts) 4 cups fettuccine 3 cups fresh spinach 1 tablespoon pine nuts 1 tablespoon[...]