Pepper and Mint."Peppermint" is a flavor.It's like asking what flavor is vanilla.
Peppermint (Mentha × piperita, also known as M. balsamea Willd.[1]) is a hybrid mint, a cross between watermint and spearmint.[2] The plant, indigenous to Europe, is now widespread in cultivation throughout all regions of the world.[3] It is found wild occasionally with its parent species.[3][4]