The Coahuila Desert is a treasure trove that Pati explores piece by piece. A visit to Armando Guadiana's apple and quince orchard brings back a cherished childhood memory. Then she meets an eco-conscious young biologist, Jorge Madrazo, who takes her to Dona Vero's kitchen for her famous "Dinoquesadillas," but Pati discovers a charming local secret instead. Recipes: . Bistec con Nopal y Chile Cascabel Beef and Nopalitos with Cascabel Chile . Bizcochos de Crema con Ate de Membrillo. Quince and Cream Buns.