In the Western world, sushi is the best-known delicacy of Japanese cuisine. When it is prepared with authentic techniques, the result is a wide range of delicious flavours and textures. All of these dishes are centred around the use of fish, usually raw, and rice prepared with sushi vinegar. However, the popularity of this wonderful Japanese delicacy means that the prices can be quite high. When you take these brilliant sushi vouchers to an Exeter restaurant, a discount of up to 70 per cent of the standard prices is yours for the taking. Go Japanese for dinner tonight and make a great saving! There are many more deals like these ones on the Groupon website. Take a look at them on a daily basis to ensure that you don't miss out.