Caldo verde (pronounced: [ˈkaɫdu ˈveɾðɨ], Portuguese for "green broth") is a popular soup in Portuguese cuisine.The basic traditional ingredients for caldo verde are potatoes, kale (although collard greens may be substituted), olive oil and salt. Additionally garlic or onion may be added. Some recipes add meat, such as ham hock, making it similar to Italo-American wedding soup.