The Quiet Little Miracle of 3-Ingredient Chicken Florentine Casserole is a creamy, comforting dinner made with chicken, frozen spinach, and condensed cream of chicken soup. It bakes into a cozy, low-prep casserole that is perfect over rice, egg noodles, or mashed potatoes.
Store leftovers covered tightly in the refrigerator for about 3 days, keeping the chicken and sauce together in a shallow container. Reheat portions loosely covered in the microwave until hot, stirring the spinach sauce around the chicken if needed, or reheat covered in a 350°F oven until warmed through; the sauce may look looser after chilling, so stir it and serve over rice or noodles.
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