Baja California, Milpa Alta, Oaxaca, Yucatán Peninsula

Paul attends a quinceañera in Baja California, visits one of Mexico's best restaurants on the Yucatan Peninsula, and judges a pasty baking competition in a town with a surprising Cornish heritage. Along the way, he samples some unusual Mexican staples - fresh cactus in Milpa Alta and insects in Oaxaca.