Possible Clues:

• Nor does this make tea a plain one
• Decorated, and then some
• Like many a palace
• It's not plain how one might make a speech about the North
• Flashy
• Make a speech about the North but don't make it plain
• Neither plain nor tea
• Over-elaborate
• Highly embellished
• With trimmings, but not, by the sound of it, if you go by plane like this