Fagioli cannellini are pre-cooked kidney beans packaged in a tetrapak or brick for convenience. They are a popular choice for vegan protein and are often used in salads, soups, and stews. Consumers appreciate the quick cooking time and the fact that they are already pre-cooked. The taste is described as good, and they are often enjoyed with onions, curry, and other flavors. Overall, fagioli cannellini are a versatile and tasty option for those looking to incorporate more plant-based protein into their diet.