These Fish Cakes with Watercress and Spinach Salad are a delicious and healthy option for lunch or dinner. The fish cakes are made with flaky white fish, mashed potatoes, and aromatic herbs, then pan-fried until golden and crispy. They are served on a bed of fresh watercress and spinach salad, dressed with a tangy vinaigrette. It's a satisfying and nutritious meal that will leave you wanting more.