Inch by inch. Starbucks relentless moves in on the core foods served at quick-service, coffee/doughnut and retail (convenience store) restaurants. The company that changed how we drink has an awfully keen nose for food trends, but it bides its time. It may not be first in, but it will be in. Starting this week, Starbucks taps into several trendy and surprisingly spicy flavors with new foods in all participating U.S. stores.