The burger also includes locally produced beef and bacon, shredded cabbage, baby kale, and tomato on a potato-flaked bun.
Ballymaloe Relish is a tomato relish, while the Charleville Cheddar is a red cheddar cheese.
From what I can figure, "Mór" translates to "big," "large," or "great."
The McMór is available for a limited time through about mid-October.