Nonna Tonda, the fresh pasta delivery service, are popping up in Soho for a few days to give people the chance to try their famous pasta. The pop-up will welcome visitors into a world on Nonna Tonda, away from the hustle and bustle of the streets of London and dish out free samples of their best selling pasta, such as butternut squash ravioli with gorgonzola butter. Founded by James…