The La Costena Black Beans are a delicious addition to tacos, soups, salads and more. They are enriched with iron and calcium and are a good source of fiber. The 19.75 oz can offers four to six servings. Made from real black beans, they give you just the right combination of spiciness and flavor. They are simple to prepare since they only require heating. The canned black beans are low in cholesterol and have no trans fat.