Cats can eat edamame in small amounts, and it is not toxic to them. However, edamame should only be given as an occasional treat and not as a regular part of a cat’s diet. Cats are obligate carnivores and require animal protein to meet their nutritional needs, so edamame, which is plant-based, doesn't replace essential nutrients in their diet. The edamame beans themselves are safe when served plain, cooked, and without any seasoning, salt, or spices. The pods should not be given as they can pose a choking hazard or digestive problems. While edamame provides some nutrients like protein, calcium, magnesium, and iron beneficial in small quantities, large amounts may cause digestive upset, including gas, diarrhea, or bloating. Some cats may also be allergic or sensitive to soy products like edamame. In summary, plain, cooked edamame beans can be a safe, rare treat for cats but should be avoided in large amounts or with added seasonings. It is best to keep to a balanced diet of commercial cat food formulated to meet their nutritional needs.