Patent attributes
Disclosed are techniques for processing and completing food orders placed by consumers using food ordering services. A method can include providing menu items to user devices for display to consumers, receiving orders from user devices before delivery of the orders, processing each order to generate a delivery address and an ordered menu item, assigning a kitchen to prepare an ordered menu item based on kitchen proximity to the delivery address of, determining if an ingredient of an ordered menu item is understocked in the kitchen, ordering, with a purveyor, understocked ingredients, forwarding instructions to prepare an ordered menu item to a device of the kitchen, grouping the ordered menu items into cohorts based on proximity of the addresses relative to each other, assigning the cohorts to delivery workers, and providing delivery routes for the cohorts to delivery worker devices. The method can be performed within seconds and for many kitchens.