An Israeli fast-food restaurant is serving up a veggie steak made and cooked by a robot that tailors ingredients and cooking time to customer tastes. “It’s the first time that a machine is making a personalised hamburger by itself,” said Racheli Vizman, CEO of SavorEat, an Israeli start-up that specialises in meat alternatives. Customers can use an app to choose the amount of vegetable protein or fat in their “steak”, as well as its size and how they want it cooked, she said. The “robot chef”, which is the size of a large oven, can make three different steaks simultaneously…