This might just be a case of “don’t knock it until you try it.” Guinea pig, or “cuy” in Spanish, is a delicacy in parts of Latin America. But just how hard is it to find good quality cuy in the United States?This might just be a case of “don’t knock it until you try it.” Guinea pig, or “cuy” in Spanish, is a delicacy in parts of Latin America. But just how hard is it to find good quality cuy in the United States?