Possible Clues:

• Taste of Burma regularly confronting French pal?
• One of the five basic tastes, associated particularly with glutamates
• I'm thinking Nancy's friend is not unsavoury?
• Savoury flavour
• Taste besides sweet, sour, bitter and salty
• Japanese word for a pleasant savoury taste
• Taste that is neither sweet nor salty nor sour nor bitter
• One of the five basic taste sensations
• One of the five major taste sensations
• Let me see Gaultier's pal with good taste