The idea of a colourful sauce can come in handy if you are faced with the task of organizing a bright and memorable children's party. Take white pasta and make many different coloured sauces so that each child can choose their favourite. For example, carrots or red peppers will give orange colour, spinach or parsley - green, beets or pomegranates - red or pink, saffron or turmeric - yellow, cuttlefish ink - black, red cabbage - purple or blue, black currant syrup - soft blue, unsweetened cocoa powder - brown, and a little bit of tomato paste - cream. And for dessert, make a rainbow cake using natural dyes, the secret to which I’ve just revealed to you