Pão de Queijo, also known as Brazilian cheese bread, is a popular snack in Rio de Janeiro. These small, chewy bread rolls are made with tapioca flour, cheese (usually Parmesan or Minas cheese), eggs, and oil. Pão de Queijo is typically served warm and can be enjoyed on its own or with a cup of coffee. It is a delicious and addictive treat that is loved by locals and visitors alike.