4
Meanwhile, preheat an oven to 180°C/gas mark 4 and make the salsa. Place half of the rhubarb, the shallot, garlic and tomatoes over an open flame. This could be directly onto a gas hob, over a flaming barbecue or by using a blowtorch to blacken. Use tongs to rotate the fruit and vegetables until the skins are charred and the insides soft