1In a large bowl, mix the sour cream, cream of chicken with herbs, garlic powder, thawed and squeezed spinach, 1 cup of shredded Monterey Jack cheese, and half a can of fried onions, along with salt and pepper to taste.
2Fold in the rotisserie chicken.
3Add the cooked linguine or spaghetti.
4Add pasta water as needed to combine and achieve a creamy consistency.
5Transfer the mixture to a prepared 9x13 baking dish.
6Top with the remaining cheese and fried onions.
7Bake at 375 degrees Fahrenheit for about 30-35 minutes uncovered until bubbling.