The festive season also saw a 7% increase in the sales of wine
Grocery inflation over the past year is measured at 15.4%.
It's the highest level ever recorded, and higher than our nearest neighbour - the UK.
Despite Ireland priding itself as being a food producer and exporting large amounts of food - the prices of food here are skyrocketing.
Kantar which carried out a study showing shoppers spend almost €100 more on groceries this December than last.
And the figures show that households bought less products - which exacerbates the inflation problem.
It was the first non-restriction Christmas in three years with shoppers spending €119 million more than previously - with sales hitting record breaking levels.
The festive season also saw a 7% increase in the sales of wine.
Shoppers also spent €828,000 in December on cold and flu medication.