An green colored herb sauce made from mint leaves, sugar and vinegar. Mint sauce is a common sauce applied as a marinade to poultry, fish or meat, most notably lamb. Mint sauce and mint jelly are traditional foods that accompany a variety of lamb dishes. There are numerous types of mint sauces made that range from the highly tangy to the mild and somewhat mellow. Generally, the flavor of vinegar or other spicy ingredients will be very noticeable in tangy mint sauces. Check the intensity before making or purchasing this sauce.