Ready, Set, Cook! Hidden Valley Contest Entry. This recipe was developed for the Hidden Valley Ranch Recipe Contest. It combines spinach and cheese with shredded potatoes and seasons the mixture with Hidden Valley Salad Dressing and Seasoning Mix. The mixture is formed into cakes and baked, saving calories, time and the stress of last minute preparation. These easy to make cakes make a wonderful side dish to serve with plain roasted meat and poultry. Your family will love them.