The present application describes a product dispenser, such as a beverage dispenser. The product dispenser may include a nozzle, a first pump in fluid communication with a beverage base source and the nozzle, a second pump in fluid communication with a flavoring source and the nozzle, and a user interface for receiving a request for a beverage. The user interface may include a product button that represents a beverage base, and an additive button that represents a flavor, wherein in response to a first selection of the product button and a second selection of the additive button, the user interface may be adapted to instruct a dispense of the beverage base and the flavor to the nozzle at a given flow rate.