When the Peso crashed in the early 1980s, Maria De Lourdes Sobrino was forced to close her Los Angeles-based travel agency. To make ends meet, she sold flavored gelatin treats to mom-and-pop shops around town. They caught on. By 2000, her company had moved into a 70,000 square-foot factory, and now supplies dessert cups to Wal-Mart and other major supermarkets nationwide.