  One of the most popular traditional Mexican deserts is a spongy cake called flan. Mexicans also enjoy foods such as rice with seafood, pork, and LOTS of beef dishes, suc … h as carne de rez and others. Tacos and burritos are not necessarily Mexican. One of the most popular traditional Mexican deserts is a spongy cake called flan. Mexicans also enjoy foods such as rice with seafood, pork, and LOTS of beef dishes, suc … h as carne de rez and others. Tacos and burritos are not necessarily Mexican.