The present invention relates to a system in a vehicle which enables fully automatic preparation of pizza during delivery in order to deliver crisp pizza fresh out of the oven to the customers. The system carries out the process starting from the fermentation of the dough up to the cooking of the product in the vehicle automatically without using manpower. Delivery with optional autonomous driving characteristic is performed without a driver. Pizza delivery vehicles operating in real time with the back office and management application, calculates the cooking time by using the position information of the vehicle and times it such that the cooking process is completed when the vehicle arrives at the delivery destination. As a result, it is enabled for the pizzas cooked inside the stone oven within the vehicle to be delivered to the customers with quality such that they were cooked in a restaurant.