Cataplana de Marisco is a seafood dish that is cooked in a traditional Portuguese copper pot called a cataplana. The dish typically includes a variety of seafood such as shrimp, clams, mussels, and fish, along with onions, garlic, tomatoes, and white wine. The ingredients are cooked together in the cataplana, which seals in the flavors and allows the seafood to cook in its own juices. Cataplana de Marisco is a delicious and aromatic dish that highlights the freshness and flavors of Portuguese seafood.