This recipe uses traditional Caribbean ingredients and seasonings. You can either use ox tails or beef back ribs for the meat (both inexpensive cuts). I use frozen "Sancocho Ajiaco" vegetables made by La Fe. It consists of large dice yautia, green plantain, yuca (cassava), pumpkin, and corn on the cob. Using fresh vegetables will not affect cooking time significantly. This recipe contains both pressure cooker instructions and conventional stove-top.