One of the most popular culinary herbs marjoramâs delicate citrusy flavor makes it especially versatile.The primary flavor compounds in marjoram are sabinene (fresh woody) terpinene (citrusy) and linalool (floral). Marjoram has a milder flavor than oregano and tastes similar to thyme but sweeter and with a stronger scent. Itâs warm slightly sharp and a little bitter.