These cooking sites, as they are generally interpreted, were used by heating stones in a fire and dropping them into a water-filled trough until the water boiled. The process was efficient enough, and the discarded, shattered stones accumulated into the horseshoe-shaped mounds that archaeologists now recognise across boggy ground and riverbanks throughout the country. There are thousands of them in Ireland, yet each one represents a particular community, in a particular place, going about the practical business of daily or seasonal life.

Fulachtaí fia are most commonly associated with the Bronze Age, roughly 1500 to 500 BC, though some sites have produced dates ranging into the Iron Age and beyond. The name itself is a medieval Irish term, loosely meaning something like "cooking place of the deer," and while the hunting interpretation has a long tradition behind it, the sites have also been linked to textile processing, bathing, and brewing, all activities that require sustained heat and large quantities of hot water. The Glashare example sits within a county that has a dense concentration of such monuments, Kilkenny's mix of river valleys and low-lying ground offering the kind of waterlogged terrain these sites seem to favour.

Because the source material for this particular site is limited, it would be misleading to say much more about what survives at Glashare specifically, its dimensions, condition, or precise setting. What can be said is that a Bronze Age cooking mound in a quiet Kilkenny townland is the sort of thing that rewards a slow look rather than a quick glance; the mounded shape, modest and unassuming in the field, carries a considerable weight of ordinary human time.